In CMS Made Simple 2.2.3.1, the is_file_acceptable function in modules/FileManager/action.upload.php only blocks file extensions that begin or end with a "php" substring, which allows remote attackers to bypass intended access restrictions or trigger XSS via other extensions, as demonstrated by .phtml, .pht, .html, or .svg.
Advisories
Source ID Title
EUVD EUVD EUVD-2017-7974 In CMS Made Simple 2.2.3.1, the is_file_acceptable function in modules/FileManager/action.upload.php only blocks file extensions that begin or end with a "php" substring, which allows remote attackers to bypass intended access restrictions or trigger XSS via other extensions, as demonstrated by .phtml, .pht, .html, or .svg.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T20:35:21.044Z

Reserved: 2017-11-12T00:00:00

Link: CVE-2017-16798

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2017-11-12T18:29:00.300

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-16798

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.