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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."

PUBLISHED Reserved 2026-03-31 | Published 2026-03-31 | Updated 2026-03-31 | Assigner VulDB




MEDIUM: 5.1CVSS: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
MEDIUM: 4.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 4.7CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.8AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Path Traversal

Timeline

2026-03-31:Advisory disclosed
2026-03-31:VulDB entry created
2026-03-31:VulDB entry last update

Credits

caginkyr (VulDB User) reporter

References

vuldb.com/vuln/354331 (VDB-354331 | CMS Made Simple UserGuide Module XML Import class.UserGuideImporterExporter.php _copyFilesToFolder path traversal) vdb-entry technical-description

vuldb.com/vuln/354331/cti (VDB-354331 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/772855 (Submit #772855 | CMSMadeSimple CMS Made Simple (CMSMS) 2.2.22 and old versions modules/UserGuide/lib/class.UserGuideImporterExporter.php) third-party-advisory

drive.proton.me/urls/Q0JHZ339BW exploit

cve.org (CVE-2026-5203)

nvd.nist.gov (CVE-2026-5203)

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