Cross Site Scripting Vulnerability in CMS Made Simple Design Manager Module
CVE-2025-5153

5.1MEDIUM

Key Information:

Vendor

CMS Made Simple

Status
Cms Made Simple
Vendor
CVE Published:
25 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5153?

A significant cross site scripting vulnerability has been identified in CMS Made Simple 2.2.21, specifically affecting the Design Manager Module. This vulnerability allows attackers to manipulate the argument Description, which could facilitate malicious scripts being executed in the context of a user’s browser. As the exploit can be initiated remotely, it poses a serious risk to users if left unaddressed. The issue was disclosed publicly, yet the vendor has not responded to security alerts regarding this matter.

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Affected Version(s)

CMS Made Simple 2.2.21

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-2025-5153 - Proof of Concept

References

https://vuldb.com/?id.310241
vdb-entrytechnical-description
https://vuldb.com/?ctiid.310241
signaturepermissions-required
https://vuldb.com/?submit.575470
third-party-advisory

CVSS V4

Score:
5.1
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

feioklucy (VulDB User)
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