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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (24.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Xenforo — versions 2.3.0
Weakness classification (CWE)
References
- xenforo.com/community/threads/xenforo-2-3-7-released-includes-security-fixes.23… (vendor-advisory, Release Notes, patch)
- www.vulncheck.com/advisories/xenforo-template-method-call-restriction-bypass (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.