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.

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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

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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

Reserved: 2017-11-12T00:00:00.000Z

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.

Weaknesses