CVE-2025-9591 ZrLog Theme Configuration Form config cross site scripting
Remote attackers can inject malicious scripts via the footerLink parameter in the theme configuration form, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-9591?
CVE-2025-9591 is a medium-severity cross-site scripting vulnerability in ZrLog, published on 28 Aug 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A security vulnerability has been detected in ZrLog up to 3.1.5. This vulnerability affects unknown code of the file /api/admin/template/config of the component Theme Configuration Form. Such manipulation of the argument footerLink leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-9591?
How do I fix CVE-2025-9591?
No fix has been published for CVE-2025-9591 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-2025-9591 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9591 exists.
Sources
Also known as GHSA-h43m-668c-2g9x.