Apereo CAS through 6.4.1 allows XSS via POST requests sent to the REST API endpoints.
https://github.com/apereo/cas/releases
https://apereo.github.io/2021/10/18/restvuln/
Source: Mitre, NVD
Published: 2021-12-07
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.08064