Threat Advisory: Monitoring CVE-2022-42889 “Text4Shell” Exploit Attempts

On October 17, 2022, the Wordfence Threat Intelligence team began monitoring for activity targeting CVE-2022-42889, or “Text4Shell” on our network of 4 million websites. We started seeing activity targeting this vulnerability on October 18, 2022. Text4Shell is a vulnerability in the Apache Common...

Analyzing Attack Data and Trends Targeting Log4J

The Log4j vulnerability, initially reported in November 2021, has affected millions of devices and applications around the world. It has the potential to allow a malicious actor to take full control of vulnerable devices. As a result of how Log4j controls the logging of strings and code, the...

Wordfence Intelligence Weekly WordPress Vulnerability Report (February 10, 2025 to February 16 2025)

Did you know Wordfence runs aBug Bounty Program for all WordPress plugins and themes at no cost to vendors? Researchers can earn up to $31,200 per vulnerability , for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and we...

Two Weeks of Monitoring ProxyNotShell (CVE-2022-41040 & CVE-2022-41082) Threat Activity

The Wordfence Threat Intelligence team has been monitoring exploit attempts targeting two zero-day vulnerabilities in Microsoft Exchange Server tracked as CVE-2022-41040 and CVE-2022-41082, collectively known as ProxyNotShell. These vulnerabilities are actively being exploited in the wild. At the...

Wordfence Intelligence Weekly WordPress Vulnerability Report (August 12, 2024 to August 18, 2024)

Did you know Wordfence runs a Bug Bounty Program for all WordPress plugin and themes at no cost to vendors? Through October 14th, researchers can earn up to $31,200, for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and ...

Wordfence Intelligence Weekly WordPress Vulnerability Report (May 26, 2025 to June 1, 2025)

In case you missed it, Wordfence just published itsannual WordPress security report for 2024. Read it now to learn more about the evolving risk landscape of WordPress so you can keep your sites protected in 2025 and beyond. Last week, there were 65 vulnerabilities disclosed in 60 WordPress Plugin...

Threat Advisory: CVE-2022-40684 Fortinet Appliance Auth bypass

This morning, the Wordfence Threat Intelligence team began tracking exploit attempts targeting CVE-2022-40684 on our network of over 4 million protected websites. CVE-2022-40684 is a critical authentication bypass vulnerability in the administrative interface of Fortinet’s FortiGate firewalls,...

Wordfence Intelligence Weekly WordPress Vulnerability Report (Feb 20, 2023 to Feb 26, 2023)

Wordfence has curated an industry leading vulnerability database with all known WordPress core, theme, and plugin vulnerabilities known as Wordfence Intelligence Community Edition. This database is continuously updated, maintained, and populated by Wordfences highly credentialed and experienced...

Wordfence Intelligence Weekly WordPress Vulnerability Report (February 3, 2025 to February 9, 2025)

Did you know Wordfence runs aBug Bounty Program for all WordPress plugins and themes at no cost to vendors? Researchers can earn up to $31,200 per vulnerability , for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and we...

Wordfence Intelligence Weekly WordPress Vulnerability Report (June 10, 2024 to June 16, 2024)

Did you know Wordfence runs a Bug Bounty Program for all WordPress plugin and themes at no cost to vendors? Researchers can earn up to $10,400, for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and we handle all the rest...

Wordfence Intelligence Weekly WordPress Vulnerability Report (August 7, 2023 to August 13, 2023)

Last week, there were 86 vulnerabilities disclosed in 68 WordPress Plugins and 3 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 36 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities i...

Wordfence Intelligence Weekly WordPress Vulnerability Report (July 14, 2025 to July 20, 2025)

Calling all Vulnerability Researchers and Bug Bounty Hunters! Spring into Summer with Wordfence! Now through August 4, 2025, earn 2X bounty rewards forall in-scope submissions from our 'High Threat' list in software with fewer than 5 million active installs. Bounties up to $31,200 per...

Wordfence Intelligence Weekly WordPress Vulnerability Report (November 4, 2024 to November 10, 2024)

Calling all superheroes and hunters! Introducing the End of Year Holiday Extravaganza and the WordPress Superhero Challenge for the Wordfence Bug Bounty Program! Through December 9th, 2024: All in-scope vulnerability types for WordPress plugins/themes with = 1,000 active installations are in-scop...

Wordfence Intelligence Weekly WordPress Vulnerability Report (April 22, 2024 to April 28, 2024)

Did you know were running a Bug Bounty Extravaganza again? Earn over 6x our usual bounty rates, up to $10,000, for all vulnerabilities submitted through May 27th, 2024 when you opt to have Wordfence handle responsible disclosure! Last week, there were 304 vulnerabilities disclosed in 232 WordPres...

Wordfence Intelligence Weekly WordPress Vulnerability Report (July 17, 2023 to July 23, 2023)

Last week, there were 62 vulnerabilities disclosed in 1035 WordPress Plugins and 90 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 36 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilitie...

Wordfence Intelligence Weekly WordPress Vulnerability Report (Apr 3, 2023 to Apr 9, 2023)

Last week, there were 97 vulnerabilities disclosed in 63 WordPress Plugins and 5 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 28 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities i...

Wordfence Intelligence Weekly WordPress Vulnerability Report (May 29, 2023 to June 4, 2023)

Last week, there were 116 vulnerabilities disclosed in 88 WordPress Plugins and 3 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 35 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...

Wordfence Intelligence Weekly WordPress Vulnerability Report (November 6, 2023 to November 12, 2023)

Wordfence just launched its bug bounty program. Over the next 6 months, all awarded bounties receive a 10% bonus. View the announcement to learn more now! Please note there was a minor error in the heading of the email, and this report only runs from November 6th to November 12th. Last week, ther...

Wordfence Intelligence Weekly WordPress Vulnerability Report (March 25, 2024 to March 31, 2024)

Did you know were running a Bug Bounty Extravaganza again? Earn over 6x our usual bounty rates, up to $10,000, for all vulnerabilities submitted through May 27th, 2024 when you opt to have Wordfence handle responsible disclosure! Last week, there were 405 vulnerabilities disclosed in 320 WordPres...

Wordfence Intelligence Weekly WordPress Vulnerability Report (September 4, 2023 to September 10, 2023)

Last week, there were 107 vulnerabilities disclosed in 89 WordPress Plugins and 5 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 36 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...

Wordfence Intelligence CE Weekly Vulnerability Report (1-30-2023 to 2-5-2023)

In case you missed it, Wordfence has curated an industry leading vulnerability database with all known WordPress core, theme and, plugin vulnerabilities known as Wordfence Intelligence Community Edition. This database is continuously updated, maintained, and populated by Wordfences highly...

Wordfence Intelligence Weekly WordPress Vulnerability Report (October 23, 2023 to October 29, 2023)

Last week, there were 109 vulnerabilities disclosed in 102 WordPress Plugins and no WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 37 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilitie...

Wordfence Intelligence Weekly WordPress Vulnerability Report (May 22, 2023 to May 28, 2023)

Last week, there were 90 vulnerabilities disclosed in 77 WordPress Plugins and no WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 29 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...

Wordfence Intelligence Weekly WordPress Vulnerability Report (Mar 27, 2023 to Apr 2, 2023)

Last week, there were 82 vulnerabilities disclosed in 70 WordPress Plugins and 1 WordPress theme that have been added to the Wordfence Intelligence Vulnerability Database, and there were 34 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities in...

Wordfence Intelligence Weekly WordPress Vulnerability Report (Apr 24, 2023 to Apr 30, 2023)

Last week, there were 77 vulnerabilities disclosed in 68 WordPress Plugins and 3 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 32 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities i...

Wordfence Intelligence Weekly WordPress Vulnerability Report (February 24, 2025 to March 2, 2025)

Did you know Wordfence runs aBug Bounty Program for all WordPress plugins and themes at no cost to vendors? Researchers can earn up to $31,200 per vulnerability , for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and we...

Wordfence Intelligence Weekly WordPress Vulnerability Report (July 10, 2023 to July 16, 2023)

Note: We accidentally sent out an email for this report with last weeks subject line. Due to the subject line not being very different week to week for this report, we opted to just leave it as is and not send a follow-up email. We apologize for this error on our part! Last week, there were 69...

Wordfence Intelligence Weekly WordPress Vulnerability Report (July 24, 2023 to July 30, 2023)

Last week, there were 64 vulnerabilities disclosed in 66 WordPress Plugins and 3 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 32 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities i...

Wordfence Intelligence Weekly WordPress Vulnerability Report (May 6, 2024 to May 12, 2024)

Did you know were running a Bug Bounty Extravaganza again? Earn over 6x our usual bounty rates, up to $10,000, for all vulnerabilities submitted through May 27th, 2024 when you opt to have Wordfence handle responsible disclosure! Last week, there were 184 vulnerabilities disclosed in 146 WordPres...

Wordfence Intelligence Weekly WordPress Vulnerability Report (October 21, 2024 to October 27, 2024)

Calling all superheroes and haunters! Introducing the Cybersecurity Month Spooktacular Haunt and the WordPress Superhero Challenge for the Wordfence Bug Bounty Program! Through November 11th, 2024: All in-scope vulnerability types for WordPress plugins/themes with = 1,000 active installations are...

Wordfence Intelligence Weekly WordPress Vulnerability Report (June 3, 2024 to June 9, 2024)

Did you know Wordfence runs a Bug Bounty Program for all WordPress plugin and themes at no cost to vendors? Researchers can earn up to $10,400, for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and we handle all the rest...

Wordfence Intelligence Weekly WordPress Vulnerability Report (January 1, 2024 to January 7, 2024)

Wordfence just launched its bug bounty program. For the first 6 months, all awarded bounties receive a 10% bonus. View the announcement to learn more now! Last week, there were 85 vulnerabilities disclosed in 74 WordPress Plugins and 2 WordPress themes that have been added to the Wordfence...

Wordfence Intelligence Weekly WordPress Vulnerability Report (April 21, 2025 to April 27, 2025)

In case you missed it, Wordfence just published itsannual WordPress security report for 2024. Read it now to learn more about the evolving risk landscape of WordPress so you can keep your sites protected in 2025 and beyond. Last week, there were 232 vulnerabilities disclosed in 199 WordPress...

Wordfence Intelligence Weekly WordPress Vulnerability Report (September 30, 2024 to October 6, 2024)

Calling all superheroes and haunters! Introducing the Cybersecurity Month Spooktacular Haunt and the WordPress Superhero Challenge for the Wordfence Bug Bounty Program! Through November 11th, 2024: All in-scope vulnerability types for WordPress plugins/themes with = 1,000 active installations are...

Wordfence Intelligence Weekly WordPress Vulnerability Report (November 10, 2025 to November 16, 2025)

Calling all Vulnerability Researchers and Bug Bounty Hunters! The LFInder Challenge:Refine your LFI hunting skills with an expanded scope. Now through November 24, 2025, all LFI vulnerabilities in software with at least 25 active installs are considered in-scope for all researchers, regardless of...

Wordfence Intelligence Weekly WordPress Vulnerability Report (August 25, 2025 to August 31, 2025)

Calling all Vulnerability Researchers and Bug Bounty Hunters! Spring into Summer with Wordfence! Now through September 4, 2025, earn 2X bounty rewards forall in-scope submissions from our 'High Threat' list in software with fewer than 5 million active installs. Bounties up to $31,200 per...

Wordfence Intelligence Weekly WordPress Vulnerability Report (Apr 10, 2023 to Apr 16, 2023)

Last week, there were 69 vulnerabilities disclosed in 60 WordPress plugins and 4 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 32 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities i...

Wordfence Intelligence Weekly WordPress Vulnerability Report (June 17, 2024 to June 23, 2024)

Did you know Wordfence runs a Bug Bounty Program for all WordPress plugin and themes at no cost to vendors? Researchers can earn up to $10,400, for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and we handle all the rest...

Wordfence Intelligence CE Weekly Vulnerability Report (Feb 13, 2023 to Feb 19, 2023)

Wordfence has curated an industry leading vulnerability database with all known WordPress core, theme, and plugin vulnerabilities known as Wordfence Intelligence Community Edition. This database is continuously updated, maintained, and populated by Wordfences highly credentialed and experienced...

Wordfence Intelligence Weekly WordPress Vulnerability Report (June 9, 2025 to June 15, 2025)

Calling all Vulnerability Researchers and Bug Bounty Hunters! Spring into Summer with Wordfence! Now through August 4, 2025, earn 2X bounty rewards forall in-scope submissions from our 'High Threat' list in software with fewer than 5 million active installs. Bounties up to $31,200 per...

Wordfence Intelligence Weekly WordPress Vulnerability Report (December 16, 2024 to January 5, 2025)

Did you know Wordfence runs aBug Bounty Program for all WordPress plugin and themes at no cost to vendors? Researchers can earn up to $31,200 per vulnerability , for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and we...

Wordfence Intelligence Weekly WordPress Vulnerability Report (October 6, 2025 to October 12, 2025)

Calling all Vulnerability Researchers and Bug Bounty Hunters! Operation: Maximum Impact Challenge ! Now through November 10, 2025, earn 2X bounty rewards forall in-scope submissions in software with at least 5,000 active installs and fewer than 5 million active installs. Bounties up to $31,200 pe...

Wordfence Intelligence Weekly WordPress Vulnerability Report (October 14, 2024 to October 20, 2024)

Calling all superheroes and haunters! Introducing the Cybersecurity Month Spooktacular Haunt and the WordPress Superhero Challenge for the Wordfence Bug Bounty Program! Through November 11th, 2024: All in-scope vulnerability types for WordPress plugins/themes with = 1,000 active installations are...

Wordfence Intelligence Weekly WordPress Vulnerability Report (February 23, 2026 to March 1, 2026)

Triple Threat Bug Bounty Challenge Hunt High Threat vulnerabilities and earn triple the incentives! Now through April 6, 2026 , earn three stacked bonuses on all valid submissions from our 'High Threat Vulnerabilities' list: 2x all high threat vulnerability bounties excluding 5,000,000+ installs...

Wordfence Intelligence Weekly WordPress Vulnerability Report (May 20, 2024 to May 26, 2024)

Did you know Wordfence runs a Bug Bounty Program for all WordPress plugin and themes at no cost to vendors? Researchers can earn up to $10,400, for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and we handle all the rest...

WordPress 5.8.3 Security Release

On January 6, 2022, the WordPress core team released WordPress version 5.8.3, which contains security patches for 4 high-severity vulnerabilities. These patches were backported to every version of WordPress since 3.7. WordPress has supported automatic core updates for security releases since...

Wordfence Intelligence Weekly WordPress Vulnerability Report (February 12, 2024 to February 18, 2024)

Did you know were running a Bug Bounty Extravaganza again? Earn over 6x our usual bounty rates, up to $10,000, for all vulnerabilities submitted through February 29th, 2024 when you opt to have Wordfence handle responsible disclosure! Last week, there were 78 vulnerabilities disclosed in 63...

Wordfence Intelligence Weekly WordPress Vulnerability Report (August 14, 2023 to August 20, 2023)

Last week, there were 64 vulnerabilities disclosed in 67 WordPress Plugins and 10 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 37 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...

Wordfence Intelligence CE Weekly Vulnerability Report (Feb 6, 2023 to Feb 12, 2023)

In case you missed it, Wordfence has curated an industry leading vulnerability database with all known WordPress core, theme, and plugin vulnerabilities known as Wordfence Intelligence Community Edition. This database is continuously updated, maintained, and populated by Wordfences highly...

Wordfence Intelligence Weekly WordPress Vulnerability Report (November 17, 2025 to November 23, 2025)

Last week, there were 167 vulnerabilities disclosed in 152 WordPress Plugins and 2 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 69 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities...