Vendor
XenForo
25 known vulnerabilities.
XenForo at a glance
Show as table
| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
| Sep 2026 | 14 | 0 |
| Aug 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Apr 2026 | 10 | 1 |
| Mar 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Dec 2025 | 1 | 0 |
| Nov 2025 | 0 | 0 |
| Oct 2025 | 0 | 0 |
| Sep 2025 | 0 | 0 |
| Aug 2025 | 0 | 0 |
| Jul 2025 | 0 | 0 |
| Jun 2025 | 0 | 0 |
| May 2025 | 0 | 0 |
| Apr 2025 | 0 | 0 |
| Mar 2025 | 0 | 0 |
| Feb 2025 | 0 | 0 |
| Jan 2025 | 0 | 0 |
| Dec 2024 | 0 | 0 |
Products
25 results · Feed
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High 7.2CVE-2026-74239 Public exploit
XenForo < 2.3.13 Path Traversal via Style Archive Importer on Windows
XenForo before 2.3.13 contains a path traversal vulnerability in the style archive importer on Windows deployments that allows authenticated non-super administrators with style permissions to write arbitrary files outside the intended extraction directory by …
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Medium 6.5CVE-2026-73321 Public exploit
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 p…
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Medium 6.1CVE-2026-73320 Public exploit
XenForo < 2.3.13 Unauthenticated Information Disclosure via Unfurl Endpoint
XenForo before 2.3.13 contains an unauthenticated information disclosure vulnerability that allows unauthenticated attackers to retrieve private unfurl records by supplying predictable auto-increment primary key IDs to the unfurl endpoint. Attackers can enume…
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Medium 6.1CVE-2026-73319 Public exploit
XenForo < 2.3.13 XSS via Dynamic Redirect Handler
XenForo before 2.3.13 contains a cross-site scripting vulnerability in the dynamic redirect handler that allows unauthenticated attackers to execute arbitrary JavaScript in the board origin by crafting a malicious javascript: URI that bypasses host validation…
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Low 3.8CVE-2026-73318 Public exploit
XenForo < 2.3.13 Missing Authorization via force-agreement Controller
XenForo before 2.3.13 contains a missing authorization vulnerability in the force-agreement controller that allows any ACP administrator to access and submit force-agreement forms regardless of their assigned permissions. Attackers can bypass the option permi…
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Low 2.7CVE-2026-73317 Public exploit
XenForo < 2.3.13 Missing Authorization via ACP Cache-Rebuild Dispatcher
XenForo before 2.3.13 contains a missing authorization vulnerability in the ACP cache-rebuild dispatcher that allows limited administrators with only the rebuildCache permission to perform unauthorized approval queue actions by supplying an arbitrary job clas…
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High 7.5CVE-2026-73316 Public exploit
XenForo < 2.3.13 Payment Replay via PayPal REST Payment Provider
XenForo before 2.3.13 contains a payment replay vulnerability in the PayPal REST payment provider that allows attackers to process the same webhook payload multiple times by exploiting a missing duplicate transaction ID check. Attackers can replay a valid web…
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High 8.6CVE-2026-73315 Public exploit
XenForo < 2.3.13 SSRF via PayPal REST Webhook Handler
XenForo before 2.3.13 contains a server-side request forgery vulnerability in the PayPal REST webhook handler that allows unauthenticated attackers to cause the server to make outbound HTTP requests to arbitrary destinations by supplying a crafted certificate…
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High 7.5CVE-2026-73314 Public exploit
XenForo < 2.3.13 Signature Verification Bypass via PayPal REST Webhook
XenForo before 2.3.13 contains a signature verification logic error in the PayPal REST webhook handler that allows unauthenticated attackers to bypass payment signature validation by submitting a webhook request with an unsupported auth_algo header value. Whe…
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Medium 6.8CVE-2026-73313 Public exploit
XenForo < 2.3.13 MFA Bypass via Passkey TFA Provider
XenForo before 2.3.13 contains a multi-factor authentication bypass vulnerability in the passkey TFA provider that allows an authenticated attacker to complete login as another user by submitting their own registered passkey credential during the WebAuthn ass…
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High 7.4CVE-2026-73312 Public exploit
XenForo < 2.3.13 Refresh Token Replay via Expired Access Token
XenForo before 2.3.13 contains a refresh token replay vulnerability that allows attackers to reuse a refresh token multiple times by exploiting the failure to mark tokens as consumed when the parent access token has expired. Attackers can repeatedly submit th…
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High 7.4CVE-2026-73311 Public exploit
XenForo < 2.3.13 OAuth2 Authorization Code Reuse
XenForo before 2.3.13 contains an OAuth2 authorization code reuse vulnerability that allows attackers to obtain unauthorized token pairs by submitting a previously used authorization code. Attackers can exploit the failure to invalidate or mark authorization …
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Medium 5.9CVE-2026-73310 Public exploit
XenForo < 2.3.13 OAuth2 Authorization Code Token Theft via redirect_uri Bypass
XenForo before 2.3.13 contains an authorization flaw in the OAuth2 token endpoint that allows attackers controlling any allowlisted redirect URI to bypass redirect URI binding by submitting a different allowlisted URI than the one recorded at authorization ti…
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High 7.4CVE-2026-73309 Public exploit
XenForo < 2.3.13 Authentication Bypass via OAuth2 Token Endpoint
XenForo before 2.3.13 contains an authentication bypass vulnerability in the OAuth2 token endpoint that allows unauthenticated attackers to obtain valid token pairs by submitting empty values for client_secret and code_verifier parameters. Attackers can explo…
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Medium 6.4
XenForo Stored Cross-Site Scripting via Structured Text Mentions
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 exec…
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Medium 6.1
XenForo Cross-Site Scripting via Lightbox in Posts
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.
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High 7.2
XenForo Remote Code Execution via Authenticated Admin
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.
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Medium 6.4
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.
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High 7.5
XenForo Path Disclosure via open_basedir Exceptions
XenForo before 2.3.7 discloses filesystem paths through exception messages triggered by open_basedir restrictions. This allows an attacker to obtain information about the server's directory structure.
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Medium 6.2
XenForo Local Account Page Caching Information Disclosure
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.
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High 8.8
XenForo Template Method Call Restriction Bypass
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 …
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Critical 9.8
XenForo Passkey Security Bypass
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.
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High 8.8
XenForo OAuth2 Unauthorized Scope Request
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 a…
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Medium 6.3
XenForo Open Redirect via getDynamicRedirect
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 containin…
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Medium 4.6
Xenforo 2.2.13 Authenticated Stored Cross-Site Scripting via Smilie Categories
Xenforo 2.2.13 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through the smilie category title parameter. Attackers can create a smilie category with a malicious script that will exec…