CVE-2025-65956: Formwork CMS has Stored Cross-Site Scripting Vulnerebility in Blog Tags
CVE-2025-65956 · Severity: medium · CVSS 6.5 · Published 2025-11-26
Formwork is a flat file-based Content Management System (CMS). Prior to version 2.2.0, inserting unsanitized data into the blog tag field results in stored cross‑site scripting (XSS). Any user with credentials to the Formwork CMS who accesses or edits an affected blog post will have attacker‑controlled script executed in their browser. The issue is persistent and impacts privileged administrative workflows. This issue has been patched in version 2.2.0.
Yes. getformwork/formwork (Packagist): upgrade to 2.2.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-65956?
Check whether you run Formwork Project Formwork or getformwork/formwork (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
getformwork/formwork (Packagist): upgrade to 2.2.0 or later