Vulnerability · Published May 25, 2025 · Assigned by VulDB

CVE-2025-5153CMS Made Simple Design Manager Module cross site scripting

Low 3.5

In plain English

A low-severity cross-site scripting in CMS Made Simple. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.4%top 69.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as problematic, has been found in CMS Made Simple 2.2.21. This issue affects some unknown processing of the component Design Manager Module. The manipulation of the argument Description leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
n/a	CMS Made Simple	2.2.21

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

References

VDB-310241 | CMS Made Simple Design Manager Module cross site scripting vdb-entry, technical-description
VDB-310241 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #575470 | CMS Made Simple 2.2.21 Cross Site Scripting third-party-advisory
https://github.com/feixuezhi/CMSMadeSimple2 exploit