What’s Vulnerable › Vulnerabilities

CVE-2023-39151

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-26 · updated 2026-06-17
• Weakness: CWE-79

Description

Jenkins 2.415 and earlier, LTS 2.401.2 and earlier does not sanitize or properly encode URLs in build logs when transforming them into hyperlinks, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control build log contents.

Affected products

• Jenkins: through 2.415; through 2.401.2

References

• http://www.openwall.com/lists/oss-security/2023/07/26/2
• https://www.jenkins.io/security/advisory/2023-07-26/#SECURITY-3188
• http://www.openwall.com/lists/oss-security/2023/07/26/2
• https://www.jenkins.io/security/advisory/2023-07-26/#SECURITY-3188

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