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TI-2026-04545 Aliases CVE-2026-5203GHSA-6c3w-cf6g-qmgh

CMS Made Simple UserGuide Module XML Import class.UserGuideImporterExporter.php _copyFilesToFolder path traversal

Priority MEDIUM 56CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A vulnerability was found in CMS Made Simple up to 2.2.22. This impacts the function _copyFilesToFolder in the library modules/UserGuide/lib/class.UserGuideImporterExporter.php of the component UserGuide Module XML Import. The manipulation results in path traversal. It is possible to launch the attack remotely. The exploit has been made public and could be used. This issue has been reported early to the project. They confirmed, that "this has already been discovered and fixed for the next release."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00329 26th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—CMS Made Simple2.2.0; 2.2.1; 2.2.2; 2.2.3; 2.2.4; 2.2.5; 2.2.6; 2.2.7; 2.2.8; 2.2.9; 2.2.10; 2.2.11; 2.2.12; 2.2.13; 2.2.14; 2.2.15; 2.2.16; 2.2.17; 2.2.18; 2.2.19; 2.2.20; 2.2.21; 2.2.22—No fix listedCNA
  • CMS Made Simple Vendor— Affected 2.2.0; 2.2.1; 2.2.2; 2.2.3; 2.2.4; 2.2.5; 2.2.6; 2.2.7; 2.2.8; 2.2.9; 2.2.10; 2.2.11; 2.2.12; 2.2.13; 2.2.14; 2.2.15; 2.2.16; 2.2.17; 2.2.18; 2.2.19; 2.2.20; 2.2.21; 2.2.22 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:cms_made_simple:cms_made_simple:*:*:*:*:*:*:*:*——CMS Made Simple
  • cpe:2.3:a:cms_made_simple:cms_made_simple:*:*:*:*:*:*:*:* Versions — — ·CMS Made Simple

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5203
  2. 2026-10-03 Alias added: GHSA-6c3w-cf6g-qmgh

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences