CVE-2026-6443

All plugins by Essentialplugin for WordPress are vulnerable to an injected backdoor in various versions. This is due to the plugin being sold to a malicious threat actor that embedded a backdoor in all of the plugin's they acquired. This makes it possible for the threat actor to maintain a...

ruby: SMTP command injection via CRLF sequences in RCPT TO or MAIL FROM commands in Net::SMTP

A SMTP command injection flaw was found in the way Ruby's Net::SMTP module handled CRLF sequences in certain SMTP commands. An attacker could potentially use this flaw to inject SMTP commands in a SMTP session in order to facilitate phishing attacks or spam campaigns...

EUVD-2026-23384

The Accordion and Accordion Slider plugin for WordPress is vulnerable to an injected backdoor in version 1.4.6. This is due to the plugin being sold to a malicious threat actor that embedded a backdoor in all of the plugin's they acquired. This makes it possible for the threat actor to maintain a...

CVE-2026-6443

All plugins by Essentialplugin for WordPress are vulnerable to an injected backdoor in various versions. This is due to the plugin being sold to a malicious threat actor that embedded a backdoor in all of the plugin's they acquired. This makes it possible for the threat actor to maintain a...

CVE-2026-6443 Essentialplugin Plugins (Various Versions) - Injected Backdoor

All plugins by Essentialplugin for WordPress are vulnerable to an injected backdoor in various versions. This is due to the plugin being sold to a malicious threat actor that embedded a backdoor in all of the plugin's they acquired. This makes it possible for the threat actor to maintain a...

CVE-2026-6443

The Accordion and Accordion Slider plugin for WordPress is vulnerable to an injected backdoor in version 1.4.6. This is due to the plugin being sold to a malicious threat actor that embedded a backdoor in all of the plugin's they acquired. This makes it possible for the threat actor to maintain a...

CVE-2026-6443 Essentialplugin Plugins (Various Versions) - Injected Backdoor

All plugins by Essentialplugin for WordPress are vulnerable to an injected backdoor in various versions. This is due to the plugin being sold to a malicious threat actor that embedded a backdoor in all of the plugin's they acquired. This makes it possible for the threat actor to maintain a...

CVE-2026-6443

CVE-2026-6443 affects Essentialplugin plugins for WordPress. The backdoor is injected in multiple plugin versions after a malicious actor acquired the plugins, enabling the attacker to maintain persistent access and inject spam across affected sites. Specific public details include an injected ba...

PT-2026-33416

Name of the Vulnerable Software and Affected Versions Accordion and Accordion Slider version 1.4.6 Description The plugin contains an injected backdoor resulting from a supply chain attack where the software was sold to a malicious threat actor. This allows the actor to maintain persistent access...

WordPress plugin Accordion and Accordion Slider 安全漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. The...

GHSA-458G-Q4FH-MJ6R Serendipity has a Host Header Injection allows SMTP header injection via unvalidated HTTP_HOST in Message-ID email header

Summary Serendipity inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without any validation beyond CRLF stripping. An attacker who can control the Host header during an email-triggering action can inject arbitrary SMTP headers into outgoing emails, enabling spam relay, BCC...

Serendipity has a Host Header Injection allows SMTP header injection via unvalidated HTTP_HOST in Message-ID email header

Summary Serendipity inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without any validation beyond CRLF stripping. An attacker who can control the Host header during an email-triggering action can inject arbitrary SMTP headers into outgoing emails, enabling spam relay, BCC...

ThreatsDay Bulletin: Hybrid P2P Botnet, 13-Year-Old Apache RCE and 18 More Stories

Thursday. Another week, another batch of things that probably should've been caught sooner but weren't. This one's got some range — old vulnerabilities getting new life, a few "why was that even possible" moments, attackers leaning on platforms and tools you'd normally trust without thinking twic...

ruby: SMTP command injection via CRLF sequences in RCPT TO or MAIL FROM commands in Net::SMTP

A SMTP command injection flaw was found in the way Ruby's Net::SMTP module handled CRLF sequences in certain SMTP commands. An attacker could potentially use this flaw to inject SMTP commands in a SMTP session in order to facilitate phishing attacks or spam campaigns...

ruby: SMTP command injection via CRLF sequences in RCPT TO or MAIL FROM commands in Net::SMTP

A SMTP command injection flaw was found in the way Ruby's Net::SMTP module handled CRLF sequences in certain SMTP commands. An attacker could potentially use this flaw to inject SMTP commands in a SMTP session in order to facilitate phishing attacks or spam campaigns...

CVE-2026-39331 ChurchCRM has an API Authorization Bypass Allows Authenticated User to Deactivate, Modify, and Spam Arbitrary Families

ChurchCRM is an open-source church management system. Prior to 7.1.0, an authenticated API user can modify any family record's state without proper authorization by simply changing the familyId parameter in requests, regardless of whether they possess the required EditRecords privilege...

EUVD-2026-19826

ChurchCRM is an open-source church management system. Prior to 7.1.0, an authenticated API user can modify any family record's state without proper authorization by simply changing the familyId parameter in requests, regardless of whether they possess the required EditRecords privilege...

CVE-2026-39331 ChurchCRM has an API Authorization Bypass Allows Authenticated User to Deactivate, Modify, and Spam Arbitrary Families

ChurchCRM is an open-source church management system. Prior to 7.1.0, an authenticated API user can modify any family record's state without proper authorization by simply changing the familyId parameter in requests, regardless of whether they possess the required EditRecords privilege...

PocketMine-MP: Network amplification vulnerability with `ActorEventPacket`

Impact The server handles ActorEventPacket to trigger consuming animations from vanilla clients when they eat food or drink potions. This can be abused to make the server spam other clients, and to waste server CPU and memory. For every ActorEventPacket sent by the client, an animation event will...

GHSA-7HMV-4J2J-PP6F PocketMine-MP: Network amplification vulnerability with `ActorEventPacket`

Impact The server handles ActorEventPacket to trigger consuming animations from vanilla clients when they eat food or drink potions. This can be abused to make the server spam other clients, and to waste server CPU and memory. For every ActorEventPacket sent by the client, an animation event will...