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High 7.2Published Jan 15, 2026

CVE-2025-31510In 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 authent…

Updated under an hour ago ()

Does this affect you?

It affects lemonldap-ng LemonLDAP::NG. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
7.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-79
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
mitre
NVD analysis
Deferred
Record last updated
Jan 16, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
lemonldap-ng LemonLDAP::NG
lemonldap_ng:lemonldap_ng (from the name)
from 2.0.8 before 2.16.5; from 2.17.0 before 2.21.0
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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