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TI-2026-23402 Aliases CVE-2026-29934GHSA-phpm-chh7-7xg9

A reflected cross-site scripting (XSS) vulnerability in the /admin/menus component of…

Priority MEDIUM 60CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00206 10th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:lightcms_project:lightcms:2.0:*:*:*:*:*:*:*2.0VulnerableLightcms Project
  • cpe:2.3:a:lightcms_project:lightcms:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Lightcms Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-29934
  2. 2026-10-03 Alias added: GHSA-phpm-chh7-7xg9

References

  • TI-2023-11891 LightCMS v1.3.7 was discovered to contain a remote code execution (RCE) vulnerability via the image:make function. CVSS 3.1CRITICAL 9.8
  • TI-2024-15065 LightCMS v2.0 is vulnerable to Cross Site Scripting (XSS) in the Content Management - Articles field. CVSS 3.1MEDIUM 5.4
  • TI-2021-08673 LightCMS v1.3.5 contains a remote code execution vulnerability in… CVSS 3.1CRITICAL 9.8
  • TI-2021-02351 A stored-self XSS exists in LightCMS v1.3.4, allowing an attacker to execute HTML or… CVSS 3.1MEDIUM 5.4
  • TI-2022-14516 A stored cross-site scripting (XSS) vulnerability in LightCMS v1.3.11 allows attackers to… CVSS 3.1MEDIUM 4.8

Sources