CVE-2025-65956 Formwork CMS Has a Stored Cross-Site Scripting (XSS) Vulnerability in Blog Tags
Attackers can inject malicious scripts via blog tags, leading to code execution in the browsers of authenticated users, including administrators.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-65956?
CVE-2025-65956 is a medium-severity cross-site scripting vulnerability in getformwork formwork, published on 25 Nov 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2025-65956?
2 open source packages ship an affected version, including getformwork/formwork. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
getformwork/formwork Packagist | All versions | 2.2.0 |
getformwork/formwork Packagist | All versions | 2.2.0 |
Products include Formwork Project Formwork.
How do I fix CVE-2025-65956?
Upgrade getformwork/formwork to 2.2.0 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-65956 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65956 exists.
Other vulnerabilities in getformwork formwork
Sources
Also known as GHSA-7j46-f57w-76pj.