CVE-2026-82451
Formwork < 2.3.11 Stored XSS via Referer Header
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 29, 2026
- Updated
- Sep 24, 2026
- Reserved
- Aug 29, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 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 | VulnCheck |
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Formworkgetformwork |
|
References
- GitHub Security Advisory (GHSA-hpgc-57cm-66pc)vendor-advisory
- Release Notesrelease-notes
- VulnCheck Advisory: Formwork through 2.3.14 Stored XSS via Referer Headerthird-party-advisory
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