CVE-2019-15120

CVE-2019-15120 Exploit for XSS via BBCode on Kunena extension before 5.1.14 for Joomla! Information Description: In Kunena extension before 5.1.14 for Joomla!, it’s possible for any user to execute a stored XSS attack by sending special message in any field with BBcode support. As a result, the...

CVE-2026-73321

CVE-2026-73321: PHP worker stack overflow through nested BBCode XenForo before 2.3.13 can exhaust a PHP worker through deeply nested BBCode. Result The public editor/to-html route sends guest-supplied BBCode through XenForo's recursive parser and renderer. It does not apply a raw-length or nestin...

Exploit for CVE-2026-73321

CVE-2026-73321 XenForo before 2.3.13 can exhaust a PHP worker...

CVE-2026-73321

XenForo before 2.3.13 contains an uncontrolled recursion vulnerability in the BBCode parser that allows authenticated attackers to cause persistent denial of service by submitting a post with deeply nested BBCode tags. Attackers can craft a single malicious post with sufficient nesting depth to...

EUVD-2026-72758

XenForo before 2.3.13 contains an uncontrolled recursion vulnerability in the BBCode parser that allows authenticated attackers to cause persistent denial of service by submitting a post with deeply nested BBCode tags. Attackers can craft a single malicious post with sufficient nesting depth to...

CVE-2026-73321 XenForo < 2.3.13 Uncontrolled Recursion DoS via BBCode Parser

XenForo before 2.3.13 contains an uncontrolled recursion vulnerability in the BBCode parser that allows authenticated attackers to cause persistent denial of service by submitting a post with deeply nested BBCode tags. Attackers can craft a single malicious post with sufficient nesting depth to...

CVE-2026-73321 XenForo < 2.3.13 Uncontrolled Recursion DoS via BBCode Parser

XenForo before 2.3.13 contains an uncontrolled recursion vulnerability in the BBCode parser that allows authenticated attackers to cause persistent denial of service by submitting a post with deeply nested BBCode tags. Attackers can craft a single malicious post with sufficient nesting depth to...

CVE-2026-73321

XenForo before 2.3.13 contains an uncontrolled recursion vulnerability in the BBCode parser . Authenticated attackers can submit a single post with deeply nested BBCode tags sufficient to exceed PHP's stack limit, causing fatal errors that repeatedly terminate PHP-FPM workers for all visitors ren...

CVE-2026-73321: Uncontrolled Recursion

XenForo before 2.3.13 contains an uncontrolled recursion vulnerability in the BBCode parser that allows authenticated attackers to cause persistent denial of service by submitting a post with deeply nested BBCode tags. Attackers can craft a single malicious post with sufficient nesting depth to...

PT-2026-87066

XenForo before 2.3.13 contains an uncontrolled recursion vulnerability in the BBCode parser that allows authenticated attackers to cause persistent denial of service by submitting a post with deeply nested BBCode tags. Attackers can craft a single malicious post with sufficient nesting depth to...

CVE-2026-61520 Simple Machines Forum SSRF via image proxy

Simple Machines Forum 2.1 prior to commit 4bf35cf and 3.0 prior to commit b4d23df contains a server-side request forgery vulnerability in the image proxy that allows authenticated attackers to trigger internal HTTP requests by embedding attacker-controlled URLs in BBCode image tags, which the pro...

CVE-2026-61520

The CVE-2026-61520 entry documents a server-side request forgery in Simple Machines Forum (SMF) image proxy. Affected versions are SMF 2.1 prior to commit 4bf35cf and SMF 3.0 prior to commit b4d23df. The vulnerability allows authenticated attackers to trigger internal HTTP requests by embedding a...

CVE-2026-61520 Simple Machines Forum SSRF via image proxy

Simple Machines Forum 2.1 prior to commit 4bf35cf and 3.0 prior to commit b4d23df contains a server-side request forgery vulnerability in the image proxy that allows authenticated attackers to trigger internal HTTP requests by embedding attacker-controlled URLs in BBCode image tags, which the pro...

CVE-2026-61520: Server-Side Request Forgery (SSRF)

Simple Machines Forum 2.1 prior to commit 4bf35cf and 3.0 prior to commit b4d23df contains a server-side request forgery vulnerability in the image proxy that allows authenticated attackers to trigger internal HTTP requests by embedding attacker-controlled URLs in BBCode image tags, which the pro...

PT-2026-58809

Simple Machines Forum 2.1 prior to commit 4bf35cf and 3.0 prior to commit b4d23df contains a server-side request forgery vulnerability in the image proxy that allows authenticated attackers to trigger internal HTTP requests by embedding attacker-controlled URLs in BBCode image tags, which the pro...

CVE-2026-35054 XenForo Stored Cross-Site Scripting via BB Code Rendering

XenForo before 2.3.9 is vulnerable to stored cross-site scripting XSS related to BB code rendering. An attacker can inject malicious scripts through BB code that are stored and executed when other users view the content...

CVE-2026-25923

my little forum is a PHP and MySQL based internet forum that displays the messages in classical threaded view. Prior to 20260208.1, the application fails to filter the phar:// protocol in URL validation, allowing attackers to upload a malicious Phar Polyglot file disguised as JPEG via the image...

CVE-2026-25923

my little forum is a PHP and MySQL based internet forum that displays the messages in classical threaded view. Prior to 20260208.1, the application fails to filter the phar:// protocol in URL validation, allowing attackers to upload a malicious Phar Polyglot file disguised as JPEG via the image...

CVE-2026-25923 Phar Deserialization leading to Arbitrary File Deletion in my little forum

my little forum is a PHP and MySQL based internet forum that displays the messages in classical threaded view. Prior to 20260208.1, the application fails to filter the phar:// protocol in URL validation, allowing attackers to upload a malicious Phar Polyglot file disguised as JPEG via the image...

CVE-2026-25923 Phar Deserialization leading to Arbitrary File Deletion in my little forum

my little forum is a PHP and MySQL based internet forum that displays the messages in classical threaded view. Prior to 20260208.1, the application fails to filter the phar:// protocol in URL validation, allowing attackers to upload a malicious Phar Polyglot file disguised as JPEG via the image...