CVE-2026-5203mediumCWE-22

CVE-2026-5203: medium-severity vulnerability in CMS Made Simple

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

Published

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.1epss 0.3%
from disclosure to weapon48 days
Published on NVDMar 31
1st PoC+48d
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."
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
Affected products
n/a · CMS Made Simple
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