MODX Revolution version <=2.6.4 contains a Incorrect Access Control vulnerability in Filtering user parameters before passing them into phpthumb class that can result in Creating file with custom a filename and content. This attack appear to be exploitable via Web request. This vulnerability appears to have been fixed in commit 06bc94257408f6a575de20ddb955aca505ef6e68.
Severity
CVSS 3.0
7.2 high
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
64% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)