VulnerabilityAwaiting Analysis
CVE-2026-84677
Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names, descriptions, and version metadata) on plugin download index pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers…
MEDIUM 5.4EPSS 0.14%
Does this matter?
Lower severity and a low EPSS score (0.14%). Track it; it rarely justifies an emergency change on its own.
Description
Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names, descriptions, and version metadata) on plugin download index pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.14% probability · 3th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Source
- jenkinsci-cert@googlegroups.com
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.