Path Traversal in Cms Made Simple
CVE-2026-5203
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…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.001 (22.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
Affected products
- N/a Cms Made Simple — versions 2.2.0, 2.2.1, 2.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-354331 | CMS Made Simple UserGuide Module XML Import class.UserGuideImporterExporter.php _copyFilesToFolder path traversal (technical-description, vdb-entry)
- VDB-354331 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #772855 | CMSMadeSimple CMS Made Simple (CMSMS) 2.2.22 and old versions modules/UserGuide/lib/class.UserGuideImporterExporter.php (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-5203?
- CVE-2026-5203 is a medium-severity vulnerability in Cms Made Simple, classified under Path Traversal. CVSS score: 4.7/10. Published 2026-03-31.
- How severe is CVE-2026-5203?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2026-5203 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.