VulnerabilityAnalyzed

CVE-2025-71281

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.

HIGH 8.7EPSS 0.33%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 4.0: 8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.33% probability · 26th percentile
CISA KEV: Not listed
Weakness: CWE-94
Affected: xenforo/xenforo
Source: disclosure@vulncheck.com

References

https://www.vulncheck.com/advisories/xenforo-template-method-call-restriction-bypassThird Party Advisory
https://xenforo.com/community/threads/xenforo-2-3-7-released-includes-security-fixes.232121/Release Notes

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.