CVE-2026-82451

Medium

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.

SeverityMedium

CVSS6.1

Exploit probability—

ProductFormwork

PublishedAug 29, 2026

First seenAug 29, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Vendor advisories

github.com/getformwork/formwork/security/advisories/GHSA-hpgc-57cm-66pc
github.com/getformwork/formwork/releases/tag/2.3.11

Affected products

Product	Affected versions	Fixed in
getformwork Formwork	2.0.0 ≤ v ≤ 2.3.10	—

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