CVE-2026-82451

MEDIUMCVSS 6.1/10EPSS 0.20%

Last modified

CVE-2026-82451 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Formwork before 2.3.11 contains a stored cross-site scripting vulnerability in visit tracking that records the Referer header host unescaped. Unauthenticated attackers can craft malicious Referer headers to inject markup that executes in administrator browsers when viewing the Statistics panel.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

Formwork before 2.3.11 contains a stored cross-site scripting vulnerability in visit tracking that records the Referer header host unescaped. Unauthenticated attackers can craft malicious Referer headers to inject markup that executes in administrator browsers when viewing the Statistics panel.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
getformworkFormwork>= 2.0.0, <= 2.3.10

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-82451?
Formwork before 2.3.11 contains a stored cross-site scripting vulnerability in visit tracking that records the Referer header host unescaped. Unauthenticated attackers can craft malicious Referer headers to inject markup that executes in administrator browsers when viewing the Statistics panel.
How severe is CVE-2026-82451?
CVE-2026-82451 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2026-82451?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST