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Vulnerabilities

Vulnerability · 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…

Published Mar 26, 2026 · catalog updated Jun 17, 2026 · lightcms project

Check if you run it

No confirmed exploitation is on record for CVE-2026-29934. EPSS is 0.25%. Act only if a listed version of lightcms project is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.25%
Remediation
Not established
Affected products
cpe lightcms project/lightcms

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe lightcms project/lightcms2.0

How to fix CVE-2026-29934

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-29934. EPSS is 0.25%. Act only if a listed version of lightcms project is installed.

Which versions are affected?

Compare what you have installed with lightcms project/lightcms 2.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 26, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-29934

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-29934

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.