CVE-2025-10340 WhatCD Gazelle Commit Message change_log.php cross site scripting
Remote attackers can inject malicious scripts via the commit message field in WhatCD Gazelle, potentially leading to session hijacking or code execution.
- 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
- None listed
What is CVE-2025-10340?
CVE-2025-10340 is a medium-severity cross-site scripting vulnerability in WhatCD Gazelle, published on 13 Sep 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
A vulnerability was determined in WhatCD Gazelle up to 63b337026d49b5cf63ce4be20fdabdc880112fa3. The affected element is an unknown function of the file /sections/tools/managers/change_log.php of the component Commit Message Handler. Executing manipulation of the argument Message can lead to cross site scripting. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed.
Which versions are affected by CVE-2025-10340?
How do I fix CVE-2025-10340?
No fix has been published for CVE-2025-10340 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-2025-10340 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-10340 exists.
Sources
Also known as GHSA-f386-3v76-wcqq.