RCE in Xenforo
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.
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.003 (25.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Xenforo — versions 2.3.0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory, Release Notes, patch)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-71281?
- CVE-2025-71281 is a high-severity vulnerability in Xenforo, classified under Code Injection. CVSS score: 8.8/10. Published 2026-04-01.
- How severe is CVE-2025-71281?
- High severity. CVSS v3 base score is 8.8 out of 10.