CVE-2026-51833

Xenforo 2.3.8 is vulnerable to SSRF. Attackers that have administrator privileges or are able to add/save RSS feeds can enumerate internal services ports or expose the original IP address of the server...

CVE-2026-51833

XenForo 2.3.8 is affected by an SSRF vulnerability. If an attacker has administrator privileges or can add/save RSS feeds, they can enumerate internal services (ports) or reveal the server’s original IP address. The available sources confirm the vulnerability and its impact, but no remediation de...

PT-2026-60853

Name of the Vulnerable Software and Affected Versions Xenforo version 2.3.8 Description A Server-Side Request Forgery SSRF issue exists where users with administrator privileges or the ability to add and save RSS feeds can enumerate internal services and ports or expose the server's original IP...

CVE-2026-51833

Xenforo 2.3.8 is vulnerable to SSRF. Attackers that have administrator privileges or are able to add/save RSS feeds can enumerate internal services ports or expose the original IP address of the server...

Xenforo Authorization Issues Vulnerability (CNVD-2026-16832)

Xenforo is a forum software from Xenforo. XenForo suffers from an authorization issue vulnerability that originates from affecting Passkeys that have been added to a user's account, which can be exploited by an attacker to bypass the authentication process and take over the account of another web...

EUVD-2025-209156

XenForo before 2.3.7 does not properly restrict methods callable from within templates. A loose prefix match was used instead of a stricter first-word match for methods accessible through callbacks and variable method calls in templates, potentially allowing unauthorized method invocations...

EUVD-2026-17741

XenForo before 2.3.9 and before 2.2.18 is vulnerable to cross-site scripting XSS related to lightbox usage in posts. An attacker can inject malicious scripts that execute when users interact with post content displayed in the lightbox...

EUVD-2025-209152

XenForo before 2.3.7 contains a security issue affecting Passkeys that have been added to user accounts. An attacker may be able to compromise the security of Passkey-based authentication...

EUVD-2025-209150

XenForo before 2.3.5 allows OAuth2 client applications to request unauthorized scopes. This affects any customer using OAuth2 clients on any version of XenForo 2.3 prior to 2.3.5, potentially allowing client applications to gain access beyond their intended authorization level...

EUVD-2025-209154

XenForo before 2.3.7 allows information disclosure via local account page caching on shared systems. On systems where multiple users share a browser or machine, cached account pages could expose sensitive user information to other local users...

EUVD-2026-17743

XenForo before 2.3.9 and before 2.2.18 allows remote code execution RCE by authenticated, but malicious, admin users. An attacker with admin panel access can execute arbitrary code on the server...

EUVD-2024-55514

XenForo before 2.2.17 and 2.3.1 allows open redirect via a specially crafted URL. The getDynamicRedirect function does not adequately validate the redirect target, allowing attackers to redirect users to arbitrary external sites using crafted URLs containing newlines, user credentials, or host...

EUVD-2026-17739

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...

EUVD-2026-17745

XenForo before 2.3.10 and before 2.2.19 is vulnerable to stored cross-site scripting XSS in structured text mentions, primarily affecting legacy profile post content. An attacker can inject malicious scripts through crafted mentions that are stored and executed when other users view the content...

EUVD-2025-209158

XenForo before 2.3.7 discloses filesystem paths through exception messages triggered by openbasedir restrictions. This allows an attacker to obtain information about the server's directory structure...

CVE-2026-35055

XenForo before 2.3.9 and before 2.2.18 is vulnerable to cross-site scripting XSS related to lightbox usage in posts. An attacker can inject malicious scripts that execute when users interact with post content displayed in the lightbox...

CVE-2026-35056

XenForo before 2.3.9 and before 2.2.18 allows remote code execution RCE by authenticated, but malicious, admin users. An attacker with admin panel access can execute arbitrary code on the server...

CVE-2026-35057

XenForo before 2.3.10 and before 2.2.19 is vulnerable to stored cross-site scripting XSS in structured text mentions, primarily affecting legacy profile post content. An attacker can inject malicious scripts through crafted mentions that are stored and executed when other users view the content...

CVE-2026-35054

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-2025-71281

XenForo before 2.3.7 does not properly restrict methods callable from within templates. A loose prefix match was used instead of a stricter first-word match for methods accessible through callbacks and variable method calls in templates, potentially allowing unauthorized method invocations...