Description
In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but Internet Explorer render HTML elements in a .eml file, because of admin/upload-uploadify.php, and validate_safe_file in admin/inc/security_functions.php.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1301
Scores
CVSS v3
3.8
EPSS
0.0022
EPSS Percentile
44.4%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Details
CWE
CWE-434
Status
published
Products (1)
get-simple/getsimple_cms
3.3.15
Published
Nov 21, 2018
Tracked Since
Feb 18, 2026