Cross-Site Scripting Vulnerability in light0011 CMS Chapter Content Output
CVE-2026-85382

5.3MEDIUM

Key Information:

Vendor

Light0011

Status
Cms
Vendor
CVE Published:
4 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-85382?

A vulnerability has been identified in the light0011 CMS specifically within the Chapter Content Output component. The issue lies in the function htmlspecialchars_decode located in the file App/Home/View/Default/Chapter/oneChapter.tpl. This flaw allows an attacker to manipulate the argument content, potentially leading to cross-site scripting (XSS) attacks. The remote exploitation of this vulnerability is feasible, as the exploit has already been made public. Although the project was notified about the vulnerability early through an issue report, no response has been documented yet. Given that light0011 CMS follows a rolling release model, specific version details for affected or updated releases are unavailable.

Affected Version(s)

cms c774dce31c6df0055568a8d5c53d964d99be199d

cms f72cf46f601efb2a0618c3814cc2f61380b38930

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-85382 - Proof of Concept

References

https://vuldb.com/vuln/398536
vdb-entrytechnical-description
https://vuldb.com/vuln/398536/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-85382
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Talenturm (VulDB User)
VulDB CNA Team
.