XSS in Ard Gec En Ligne
CVE-2025-55887
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (26.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- alpes.com (Broken Link)
- ard.com (Broken Link)
- services.ard.fr/index.php (Product)
- github.com/0xZeroSec/CVE-2025-55887 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-55887?
- CVE-2025-55887 is a medium-severity vulnerability in Ard Gec En Ligne, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-09-22.
- How severe is CVE-2025-55887?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2025-55887 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.