CVE-2026-5203

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

State: Published
Severity: 5.1 Medium
Published: Mar 31, 2026
Updated: Mar 31, 2026
Reserved: Mar 31, 2026

Description

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."

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	4.7 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
3.0	4.7 Medium	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
2.0	5.8 Medium	AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-22 Path Traversal

Affected Products

Product	Versions
CMS Made Simplen/a	2.2.0Affected 2.2.1Affected 2.2.2Affected 2.2.3Affected 2.2.4Affected 2.2.5Affected 2.2.6Affected 2.2.7Affected 2.2.8Affected 2.2.9Affected 2.2.10Affected 2.2.11Affected 2.2.12Affected 2.2.13Affected 2.2.14Affected 2.2.15Affected 2.2.16Affected 2.2.17Affected 2.2.18Affected 2.2.19Affected 2.2.20Affected 2.2.21Affected 2.2.22Affected

References

VDB-354331 | CMS Made Simple UserGuide Module XML Import class.UserGuideImporterExporter.php _copyFilesToFolder path traversalvdb-entrytechnical-description
VDB-354331 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #772855 | CMSMadeSimple CMS Made Simple (CMSMS) 2.2.22 and old versions modules/UserGuide/lib/class.UserGuideImporterExporter.phpthird-party-advisory
https://drive.proton.me/urls/Q0JHZ339BW#X9P2G3Guwvwaexploit

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