Cross Site Scripting in MaxSite CMS Redirect Plugin by MaxSite
CVE-2026-7012

4.8MEDIUM

Key Information:

Vendor

Maxsite

Status
Cms
Vendor
CVE Published:
26 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7012?

A cross site scripting vulnerability has been identified in MaxSite CMS, specifically affecting version 109.3 of the Redirect Plugin. This flaw allows remote attackers to manipulate the argument 'f_all/f_all404', leading to potential XSS attacks. The vendor addressed the vulnerability by implementing a fix in version 109.4 to ensure secure coding practices, including better input filtering to prevent unauthorized data display. Users are encouraged to upgrade their plugin to the latest version to safeguard their systems.

Affected Version(s)

CMS 109.0

CMS 109.1

CMS 109.2

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-2026-7012 - Proof of Concept

References

https://vuldb.com/vuln/359593
vdb-entrytechnical-description
https://vuldb.com/vuln/359593/cti
signaturepermissions-required
https://vuldb.com/submit/796737
third-party-advisory

CVSS V4

Score:
4.8
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

konchan (VulDB User)
VulDB CNA Team
.