XSS in Ard Gec En Ligne

CVE-2025-55888

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (36.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-55888: held from 0.004 to 0.004.

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

Frequently asked questions

What is CVE-2025-55888?
CVE-2025-55888 is a high-severity vulnerability in Ard Gec En Ligne, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2025-09-22.
How severe is CVE-2025-55888?
High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2025-55888 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.