CVE-2017-16798

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"…

published November 12, 2017

CVSS
—
EPSS
1%
Percentile
58.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00857 · 58.0th percentile
Published
2017-11-12T18:00Z
EPSS history
Timeline
  • 12 NOV 18:00Z
    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"…
    cvelistv5