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CVE-2026-5203

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

CVSS 5.1 MEDIUMEPSS 0.3%CWE-22
Vexday Risk Score
33Atención
Decisión SSVC (CISA)
Attend
PoC disponible → seguir de cerca
Madurez del exploit
Prueba de concepto
Existe prueba de concepto pública, pero aún no automatizada.
CVSS 5.1EPSS 0.3%KEV nãoPoC públicaNuclei Metasploit Patch
Ciclo de vida
31 mar 2026Publicada en NVD
18 may 2026PoC pública
Velocidad de armamento
48 díashasta el primer PoC
Recomendación: Planificar corrección próxima — ya existe PoC pública.
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
Productos afectados
n/a · CMS Made Simple
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