XSS in Lightcms_project Lightcms

CVE-2026-29934

A reflected cross-site scripting (XSS) vulnerability in the /admin/menus component of Lightcms v2.0 allows attackers to execute arbitrary Javascript in the context of the user's browser via modifying the referer value in the request header.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (4.8th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-29934?
CVE-2026-29934 is a medium-severity vulnerability in Lightcms_project Lightcms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-26.
How severe is CVE-2026-29934?
Medium severity. CVSS v3 base score is 6.1 out of 10.