In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the system log viewer does not escape log record metadata (source, level, and timestamp) resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers in control of agent processes.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade jenkinsUpgrade jenkins-lts | Sep 7, 2026 | Sep 2, 2026 |
| Jenkins 2026 09 02 | — | Upgrade Jenkins to version 2.580Upgrade Jenkins LTS to the latest versionUpgrade Jenkins LTS to version 2.568.3Upgrade Jenkins to the latest version | Sep 3, 2026 | Sep 2, 2026 |
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