Happy 20th Birthday TaoSecurity Blog

Happy 20th birthday TaoSecurity Blog, born on 8 January 2003. Thank you Blogger Blogger now part of Google has continuously hosted this blog for 20 years, for free. I'd like to thank Blogger and Google for providing this platform for two decades. It's tough to find extant self-hosted security...

WordPress Post Grid, Post Carousel, & List Category Posts – by Smart Post Show Plugin < 2.4.19 is vulnerable to Cross Site Scripting (XSS)

Software Post Grid, Post Carousel, & List Category Posts – by Smart Post Show Type Plugin Vulnerable versions 2.4.19 Fixed in 2.4.19 OWASP Top 10 A7: Cross-Site Scripting XSS Classification Cross Site Scripting XSS CVE CVE-2023-0097 Patch priority Medium CVSS severity Medium 6.5 Developer Claim...

WordPress Posts List Designer by Category – List Category Posts Or Recent Posts Plugin < 3.2 is vulnerable to Cross Site Scripting (XSS)

Software Posts List Designer by Category – List Category Posts Or Recent Posts Type Plugin Vulnerable versions 3.2 Fixed in 3.2 OWASP Top 10 A7: Cross-Site Scripting XSS Classification Cross Site Scripting XSS CVE CVE-2022-4749 Patch priority Medium CVSS severity Medium 6.5 Developer Claim...

WordPress Contextual Related Posts Plugin < 3.3.1 is vulnerable to Cross Site Scripting (XSS)

Software Contextual Related Posts Type Plugin Vulnerable versions 3.3.1 Fixed in 3.3.1 OWASP Top 10 A7: Cross-Site Scripting XSS Classification Cross Site Scripting XSS CVE CVE-2023-0252 Patch priority Medium CVSS severity Medium 6.3 Developer WebberZone PSID bc7f8f79c949 Credits István Márton...

Post Grid, Post Carousel, & List Category Posts < 2.4.19 - Contributor+ Stored XSS

The plugin does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks. Exploit Additional CSS classes for "Smart Post Show"...

WordPress Post Grid, Post Carousel, & List Category Posts – by Smart Post Show Plugin < 2.3.5 is vulnerable to Cross Site Request Forgery (CSRF)

Software Post Grid, Post Carousel, & List Category Posts – by Smart Post Show Type Plugin Vulnerable versions 2.3.5 Fixed in 2.3.5 OWASP Top 10 A5: Broken Access Control Classification Cross Site Request Forgery CSRF CVE N/A Patch priority Low CVSS severity Low 4.3 Developer Claim ownership PSID...

CVE-2023-22454

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has...

Cross site scripting

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has...

CVE-2022-23549

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, users can create posts with raw body longer than the maxlength site setting by including html comments that are not counted toward the...

CVE-2022-23549 Discourse vulnerable to bypass of post max_length using HTML comments

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, users can create posts with raw body longer than the maxlength site setting by including html comments that are not counted toward the...

CVE-2022-23548: Inefficient Regular Expression Complexity

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, parsing posts can be susceptible to regular expression denial of service ReDoS attacks. This issue is patched in versions 2.8.14 and...

Discourse Information Leakage Vulnerability

Discourse is an open source community discussion platform. The platform includes features such as communities, email, and chat rooms. Discourse suffers from an information disclosure vulnerability that stems from the number of times it allows users posted in any thread to be exposed to unauthoriz...

Revive Old Posts – Social Media Auto Post and Scheduling Plugin < 9.0.11 - PHP Object Injection

The plugin unserializes user input provided via the settings, which could allow high privilege users such as admin to perform PHP Object Injection when a suitable gadget is present. To simulate a gadget chain, put the following code in a plugin: class Evil public function wakeup : void...

Revive Old Posts – Social Media Auto Post and Scheduling Plugin < 9.0.11 - PHP Object Injection

The plugin unserializes user input provided via the settings, which could allow high privilege users such as admin to perform PHP Object Injection when a suitable gadget is present. PoC To simulate a gadget chain, put the following code in a plugin: class Evil public function wakeup : void...

WordPress Revive Old Posts Plugin < 9.0.11 is vulnerable to PHP Object Injection

Software Revive Old Posts Type Plugin Vulnerable versions 9.0.11 Fixed in 9.0.11 OWASP Top 10 A1: Injection Classification PHP Object Injection CVE CVE-2022-4680 Patch priority Low CVSS severity Low 4.4 Developer Claim ownership PSID a37521b3e635 Credits Nguyen Huu Do Required privilege...

Improper Authentication

github.com/usememos/memos is vulnerable to improper authentication. Improper authentication allows an attacker to delete posts on the user's behalf...

Improper Authentication

github.com/usememos/memos is vulnerable to improper authentication. Improper restriction of excessive authentication attempts allows an attacker to delete posts on the user's behalf...

privilege escalation : Low access user can view Admin PRIVATE POST by using PIN functionality

Description Due to the privilege escalation issue Low access user can view Admin PRIVATE POST by abusing PIN functionality. PIN functionality is used to pin any post in TOP , by using the Low user Attacker can View the other & high privilege user PRIVATE POST , as per the flow its not PINNING any...

Top 10 < 3.2.3 - Contributor+ Stored XSS

The plugin does not validate and escape some of its Block attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins. 1. Insert a Top 1...

Memos security vulnerabilities

memos is an open source hosted meme center with knowledge management and social features. A security vulnerability exists in memos, which can be exploited by an attacker to post messages in the memos page...