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Vulnerability record · CVE-2025-31510 · published 16 January 2026

CVE-2025-31510: Cross-site scripting vulnerability

In the portal in LemonLDAP::NG before 2.21.0, cross-site scripting (XSS) allows remote attackers to inject arbitrary web script or HTML (into the login page) via the tab parameter, for Choice authentication.

7.2 CVSS 3.1 High EPSS 0.38% · top 70.6% CWE-79 · Cross-site scripting Deferred
7.2CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

In the portal in LemonLDAP::NG before 2.21.0, cross-site scripting (XSS) allows remote attackers to inject arbitrary web script or HTML (into the login page) via the tab parameter, for Choice authentication.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References

LinkTags
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3341
https://lists.debian.org/debian-lts-announce/2025/04/msg00017.html

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-31510), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.