CVE-2026-82451

5.3 mediumEPSS 0.4%

Medium (5.3). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.3 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-08-29
Modified: 2026-09-23
Record from: the NVD, synced 2026-10-19

References

https://github.com/getformwork/formwork/releases/tag/2.3.11
https://github.com/getformwork/formwork/security/advisories/GHSA-hpgc-57cm-66pc
https://www.vulncheck.com/advisories/formwork-stored-xss-via-referer-header

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