What is CVE-2026-82451?

CVE-2026-82451 is a medium-severity vulnerability in Getformwork Formwork, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-29.

How severe is CVE-2026-82451?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Getformwork Formwork

CVE-2026-82451

Formwork through 2.3.14 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.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Getformwork Formwork

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-82451?: CVE-2026-82451 is a medium-severity vulnerability in Getformwork Formwork, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-29.
How severe is CVE-2026-82451?: Medium severity. CVSS v3 base score is 6.1 out of 10.