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Fencer Vulns
medium 5.9

CVE-2024-27623 json

CMS Made Simple version 2.2.19 is vulnerable to Server-Side Template Injection (SSTI).

published 2024-03-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-24817

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

CMS Made Simple version 2.2.19 is vulnerable to Server-Side Template Injection (SSTI). The vulnerability exists within the Design Manager, particularly when editing the Breadcrumbs.

CISA SSVC

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

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/capture0x/CMSMadeSimple2 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 5.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Affected products

  • cmsmadesimple cms_made_simple

Classification

Weakness
  • CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine

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.