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Fencer Vulns
high 7.2

CVE-2024-27622 json

A remote code execution vulnerability has been identified in the User Defined Tags module of CMS Made Simple version 2.2.19 / 2.2.21.

published 2024-03-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-24816

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

A remote code execution vulnerability has been identified in the User Defined Tags module of CMS Made Simple version 2.2.19 / 2.2.21. This vulnerability arises from inadequate sanitization of user-supplied input in the 'Code' section of the module. As a result, authenticated users with administrative privileges can inject and execute arbitrary PHP code.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/capture0x/CMSMadeSimple/ referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com https://packetstormsecurity.com/files/177241/CMS-Made-Simple-2.2.19-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified
  • vicarius.io https://www.vicarius.io/vsociety/posts/pwning-cmsms-via-user-defined-tags-for-fun-and-learning-cve-2024-27622-27623 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • cmsmadesimple cms_made_simple

Classification

Weakness
  • CWE-75 Failure to Sanitize Special Elements into a Different Plane
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.