How severe is CVE-2025-71281?

CVE-2025-71281 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-71281 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-71281?

CVE-2025-71281 affects Xenforo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-71281?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-71281 have an EU (EUVD) identifier?

Yes. CVE-2025-71281 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209156.

When was CVE-2025-71281 published?

CVE-2025-71281 was published on 2026-04-01 and last updated on 2026-06-17.

CVE-2025-71281

CVE-2025-71281 is a high-severity vulnerability in Xenforo with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209156
Weakness: CWE-94
Affected product: Xenforo
Published: 2026-04-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-71281?: CVE-2025-71281 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-71281 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-71281?: CVE-2025-71281 affects Xenforo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-71281?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-71281 have an EU (EUVD) identifier?: Yes. CVE-2025-71281 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209156.
When was CVE-2025-71281 published?: CVE-2025-71281 was published on 2026-04-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*

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