CVE-2025-25054 Cross-site scripting in Movable Type (8.0.x series)
Reflected XSS in Movable Type allows script execution if the Multi-Factor authentication plugin is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-25054?
CVE-2025-25054 is a medium-severity cross-site scripting vulnerability in Six Apart Ltd. Movable Type (8.0.x series), published on 19 Feb 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Movable Type contains a reflected cross-site scripting vulnerability in the user information edit page. When Multi-Factor authentication plugin is enabled and a user accesses a crafted page while logged in to the affected product, an arbitrary script may be executed on the web browser of the user.
Weakness: CWE-79
Which versions are affected by CVE-2025-25054?
How do I fix CVE-2025-25054?
No fix has been published for CVE-2025-25054 yet. Limit exposure of the affected software until one is available.
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-2025-25054 being exploited?
There is no known exploitation of CVE-2025-25054 in the wild and no public exploit code.
Sources
Also known as GHSA-qj2g-cp58-9mf6.