CVE-2025-55888: Cross-Site Scripting (XSS) vulnerability was discovered in the Ajax transaction manager endpoint of ARD

This week

HIGH 7.3REMOTEMITIGATE

CVE-2025-55888 is a high-severity flaw (CVSS 7.3) affecting gec en ligne. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-09-22
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: ard

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-22 18:15 UTCPublished CVE record published
2026-07-05 17:17 UTCUpdated Record last modified

ard gec en ligne MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gec-en-ligne || rpm -q gec-en-ligne || gec-en-ligne --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-55888?

gec en ligne: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-55888 being exploited?

CVE-2025-55888 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-55888 affect?

CVE-2025-55888 affects gec en ligne. Severity is high (CVSS 7.3). 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 sani

How urgent is CVE-2025-55888?

Priority 45/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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CVE-2025-55885 MEDIUM 6.3 UPGRADE SQL Injection vulnerability in Alpes Recherche et Developpement ARD GEC en Lign before v.2025-04-23 allows a r

References

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