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Xenforo — Vulnerabilities & Security Advisories 25

Browse all 25 CVE security advisories affecting Xenforo. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Xenforo serves as a commercial community forum software platform enabling discussion boards and user interaction sites. Historically, it has faced vulnerabilities across multiple classes, including remote code execution, cross-site scripting, and privilege escalation, with 11 CVEs documented. Security researchers have identified issues in areas like template rendering, authentication mechanisms, and plugin systems. While no major public security incidents have been widely reported, the consistent CVE count indicates ongoing security challenges. The platform's modular architecture and extensive customization options may introduce additional attack surfaces, requiring administrators to maintain vigilance with timely updates and hardening measures to mitigate potential exploitation risks.

Top products by Xenforo: Xenforo
CVE ID Title CVSS Severity Published
CVE-2026-74239 XenForo < 2.3.13 Path Traversal via Style Archive Importer on Windows — XenForo CWE-22 7.2 High 2026-09-08
CVE-2026-73321 XenForo < 2.3.13 Uncontrolled Recursion DoS via BBCode Parser — XenForo CWE-674 6.5 Medium 2026-09-08
CVE-2026-73320 XenForo < 2.3.13 Unauthenticated Information Disclosure via Unfurl Endpoint — XenForo CWE-639 6.1 Medium 2026-09-08
CVE-2026-73319 XenForo < 2.3.13 XSS via Dynamic Redirect Handler — XenForo CWE-79 6.1 Medium 2026-09-08
CVE-2026-73318 XenForo < 2.3.13 Missing Authorization via force-agreement Controller — XenForo CWE-863 3.8 Low 2026-09-08
CVE-2026-73317 XenForo < 2.3.13 Missing Authorization via ACP Cache-Rebuild Dispatcher — XenForo CWE-863 2.7 Low 2026-09-08
CVE-2026-73316 XenForo < 2.3.13 Payment Replay via PayPal REST Payment Provider — XenForo CWE-345 7.5 High 2026-09-08
CVE-2026-73315 XenForo < 2.3.13 SSRF via PayPal REST Webhook Handler — XenForo CWE-918 8.6 High 2026-09-08
CVE-2026-73314 XenForo < 2.3.13 Signature Verification Bypass via PayPal REST Webhook — XenForo CWE-754 7.5 High 2026-09-08
CVE-2026-73313 XenForo < 2.3.13 MFA Bypass via Passkey TFA Provider — XenForo CWE-863 6.8 Medium 2026-09-08
CVE-2026-73312 XenForo < 2.3.13 Refresh Token Replay via Expired Access Token — XenForo CWE-294 7.4 High 2026-09-08
CVE-2026-73311 XenForo < 2.3.13 OAuth2 Authorization Code Reuse — XenForo CWE-294 7.4 High 2026-09-08
CVE-2026-73310 XenForo < 2.3.13 OAuth2 Authorization Code Token Theft via redirect_uri Bypass — XenForo CWE-863 5.9 Medium 2026-09-08
CVE-2026-73309 XenForo < 2.3.13 Authentication Bypass via OAuth2 Token Endpoint — XenForo CWE-697 7.4 High 2026-09-08
CVE-2026-35057 XenForo Stored Cross-Site Scripting via Structured Text Mentions — XenForo CWE-79 6.4 Medium 2026-04-01
CVE-2026-35056 XenForo Remote Code Execution via Authenticated Admin — XenForo CWE-94 7.2 High 2026-04-01
CVE-2026-35055 XenForo Cross-Site Scripting via Lightbox in Posts — XenForo CWE-79 6.1 Medium 2026-04-01
CVE-2025-71282 XenForo Path Disclosure via open_basedir Exceptions — XenForo CWE-209 7.5 High 2026-04-01
CVE-2026-35054 XenForo Stored Cross-Site Scripting via BB Code Rendering — XenForo CWE-79 6.4 Medium 2026-04-01
CVE-2025-71281 XenForo Template Method Call Restriction Bypass — XenForo CWE-94 8.8 High 2026-04-01
CVE-2025-71280 XenForo Local Account Page Caching Information Disclosure — XenForo CWE-200 6.2 Medium 2026-04-01
CVE-2025-71279 XenForo Passkey Security Bypass — XenForo CWE-287 9.8 Critical 2026-04-01
CVE-2025-71278 XenForo OAuth2 Unauthorized Scope Request — XenForo CWE-863 8.8 High 2026-04-01
CVE-2024-58342 XenForo Open Redirect via getDynamicRedirect — XenForo CWE-601 6.3 Medium 2026-04-01
CVE-2023-53904 Xenforo 2.2.13 Authenticated Stored Cross-Site Scripting via Smilie Categories — Xenforo CWE-79 4.6 Medium 2025-12-17

This page lists every published CVE security advisory associated with Xenforo. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.