In MODX Revolution before 2.5.7, an attacker might be able to trigger XSS by injecting a payload into the HTTP Host header of a request. This is exploitable only in conjunction with other issues such as Cache Poisoning.
https://github.com/modxcms/revolution/pull/13426
https://citadelo.com/en/2017/04/modx-revolution-cms/
Source: Mitre, NVD
Published: 2017-05-18
Updated: 2026-06-17
Base Score: 2.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N
Severity: Low
Base Score: 4.7
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
EPSS: 0.00266