CVE-2025-55887 Cross-site scripting in n/a
Attackers can inject malicious JavaScript via the transactionID parameter to hijack sessions and steal cookies in the ARD meal reservation service.
- 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-2025-55887?
CVE-2025-55887 is a medium-severity cross-site scripting vulnerability in n/a, published on 22 Sep 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
Cross-Site Scripting (XSS) vulnerability was discovered in the meal reservation service ARD. The vulnerability exists in the transactionID GET parameter on the transaction confirmation page. Due to improper input validation and output encoding, an attacker can inject malicious JavaScript code that is executed in the context of a user s browser. This can lead to session hijacking, theft of cookies, and other malicious actions performed on behalf of the victim.
Weakness: CWE-79
Which versions are affected by CVE-2025-55887?
It affects 1 product.
Products include Ard Gec en Ligne.
How do I fix CVE-2025-55887?
No fix has been published for CVE-2025-55887 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-2025-55887 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55887 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wj2r-3vfj-5m26.