CVE-2025-55888 Cross-site scripting in n/a
An attacker can inject malicious JavaScript into the accountName field via an intercepted Ajax response, leading to session hijacking and cookie theft.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-55888?
CVE-2025-55888 is a high-severity cross-site scripting vulnerability in n/a, published on 22 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cross-Site Scripting (XSS) vulnerability was discovered in the Ajax transaction manager endpoint of ARD. An attacker can intercept the Ajax response and inject malicious JavaScript into the accountName field. This input is not properly sanitized or encoded when rendered, allowing script execution in the context of users browsers. This flaw could lead to session hijacking, cookie theft, and other malicious actions.
Weakness: CWE-79
Which versions are affected by CVE-2025-55888?
It affects 1 product.
Products include Ard Gec en Ligne.
How do I fix CVE-2025-55888?
No fix has been published for CVE-2025-55888 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-2025-55888 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55888 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-fm4p-r7q4-8vrw.