High (8.9). EPSS 0.6% chance of exploitation in the next 30 days. Fixed in github.com/rancher/rancher 2.9.4.
A: Improper Neutralization of Input During Web Page Generation vulnerability in SUSE rancher allows a malicious actor to perform a Stored XSS attack through the cluster description field.
This issue affects rancher: from 2.9.0 before 2.9.4.
Severity
CVSS 3.1
8.9 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
EPSS
0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)