CVE-2026-82451

Formwork < 2.3.11 Stored XSS via Referer Header

Published Aug 29, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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. 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.
Title Formwork through 2.3.14 Stored XSS via Referer Header Formwork < 2.3.11 Stored XSS via Referer Header
References
Type Values Removed Values Added
Description 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.
Title Formwork through 2.3.14 Stored XSS via Referer Header
First Time appeared Formwork Project
Formwork Project formwork
Weaknesses CWE-79
CPEs cpe:2.3:a:formwork_project:formwork:*:*:*:*:*:*:*:*
Vendors & Products Formwork Project
Formwork Project formwork
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 8, 2026, 2:09 PM
Reserved
Aug 29, 2026, 1:22 PM
Status
Deferred
Published
Aug 29, 2026, 2:16 PM
Modified
Sep 23, 2026, 5:17 PM