Vulnerability Details CVE-2026-42523
Jenkins GitHub Plugin 1.46.0 and earlier improperly processes the current job URL as part of JavaScript implementing validation of the feature "GitHub hook trigger for GITScm polling", resulting in a stored cross-site scripting (XSS) vulnerability exploitable by non-anonymous attackers with Overall/Read permission.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 12.5%
CVSS Severity
CVSS v3 Score 9.0
Products affected by CVE-2026-42523
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cpe:2.3:a:jenkins:github:0.1
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cpe:2.3:a:jenkins:github:0.2
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cpe:2.3:a:jenkins:github:0.3
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cpe:2.3:a:jenkins:github:0.4
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cpe:2.3:a:jenkins:github:0.5
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cpe:2.3:a:jenkins:github:0.6
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cpe:2.3:a:jenkins:github:0.7
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cpe:2.3:a:jenkins:github:0.8
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cpe:2.3:a:jenkins:github:0.9
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cpe:2.3:a:jenkins:github:1
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cpe:2.3:a:jenkins:github:1.1
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cpe:2.3:a:jenkins:github:1.11
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cpe:2.3:a:jenkins:github:1.11.1
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cpe:2.3:a:jenkins:github:1.11.2
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cpe:2.3:a:jenkins:github:1.11.3
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cpe:2.3:a:jenkins:github:1.12.0
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cpe:2.3:a:jenkins:github:1.12.1
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cpe:2.3:a:jenkins:github:1.13.0
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cpe:2.3:a:jenkins:github:1.13.1
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cpe:2.3:a:jenkins:github:1.13.2
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cpe:2.3:a:jenkins:github:1.13.3
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cpe:2.3:a:jenkins:github:1.14.0
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cpe:2.3:a:jenkins:github:1.14.1
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cpe:2.3:a:jenkins:github:1.14.2
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cpe:2.3:a:jenkins:github:1.15.0
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cpe:2.3:a:jenkins:github:1.16.0
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cpe:2.3:a:jenkins:github:1.17.0
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cpe:2.3:a:jenkins:github:1.17.1
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cpe:2.3:a:jenkins:github:1.18.0
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cpe:2.3:a:jenkins:github:1.18.1
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cpe:2.3:a:jenkins:github:1.18.2
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cpe:2.3:a:jenkins:github:1.19.0
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cpe:2.3:a:jenkins:github:1.19.1
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cpe:2.3:a:jenkins:github:1.19.2
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cpe:2.3:a:jenkins:github:1.19.3
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cpe:2.3:a:jenkins:github:1.2
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cpe:2.3:a:jenkins:github:1.20.0
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cpe:2.3:a:jenkins:github:1.21.0
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cpe:2.3:a:jenkins:github:1.21.1
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cpe:2.3:a:jenkins:github:1.22.0
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cpe:2.3:a:jenkins:github:1.22.1
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cpe:2.3:a:jenkins:github:1.22.2
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cpe:2.3:a:jenkins:github:1.22.3
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cpe:2.3:a:jenkins:github:1.22.4
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cpe:2.3:a:jenkins:github:1.23.0
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cpe:2.3:a:jenkins:github:1.23.1
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cpe:2.3:a:jenkins:github:1.24.0
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cpe:2.3:a:jenkins:github:1.25.0
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cpe:2.3:a:jenkins:github:1.25.1
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cpe:2.3:a:jenkins:github:1.26.0
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cpe:2.3:a:jenkins:github:1.26.1
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cpe:2.3:a:jenkins:github:1.26.2
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cpe:2.3:a:jenkins:github:1.27.0
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cpe:2.3:a:jenkins:github:1.28.0
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cpe:2.3:a:jenkins:github:1.28.1
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cpe:2.3:a:jenkins:github:1.29.0
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cpe:2.3:a:jenkins:github:1.29.1
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cpe:2.3:a:jenkins:github:1.29.2
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cpe:2.3:a:jenkins:github:1.29.3
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cpe:2.3:a:jenkins:github:1.29.4
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cpe:2.3:a:jenkins:github:1.29.5
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cpe:2.3:a:jenkins:github:1.3
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cpe:2.3:a:jenkins:github:1.30.0
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cpe:2.3:a:jenkins:github:1.31.0
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cpe:2.3:a:jenkins:github:1.32.0
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cpe:2.3:a:jenkins:github:1.33.0
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cpe:2.3:a:jenkins:github:1.33.1
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cpe:2.3:a:jenkins:github:1.34.0
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cpe:2.3:a:jenkins:github:1.34.1
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cpe:2.3:a:jenkins:github:1.34.1.1
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cpe:2.3:a:jenkins:github:1.34.2
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cpe:2.3:a:jenkins:github:1.34.3
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cpe:2.3:a:jenkins:github:1.34.3.1
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cpe:2.3:a:jenkins:github:1.34.4
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cpe:2.3:a:jenkins:github:1.34.5
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cpe:2.3:a:jenkins:github:1.35.0
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cpe:2.3:a:jenkins:github:1.36.0
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cpe:2.3:a:jenkins:github:1.36.1
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cpe:2.3:a:jenkins:github:1.36.2
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cpe:2.3:a:jenkins:github:1.37.0
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cpe:2.3:a:jenkins:github:1.37.1
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cpe:2.3:a:jenkins:github:1.37.2
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cpe:2.3:a:jenkins:github:1.37.3
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cpe:2.3:a:jenkins:github:1.37.3.1
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cpe:2.3:a:jenkins:github:1.38.0
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cpe:2.3:a:jenkins:github:1.39.0
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cpe:2.3:a:jenkins:github:1.4
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cpe:2.3:a:jenkins:github:1.40.0
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cpe:2.3:a:jenkins:github:1.41.0
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cpe:2.3:a:jenkins:github:1.42.0
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cpe:2.3:a:jenkins:github:1.43.0
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cpe:2.3:a:jenkins:github:1.44.0
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cpe:2.3:a:jenkins:github:1.45.0
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cpe:2.3:a:jenkins:github:1.46.0
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cpe:2.3:a:jenkins:github:1.5
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cpe:2.3:a:jenkins:github:1.6
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cpe:2.3:a:jenkins:github:1.7
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cpe:2.3:a:jenkins:github:1.8
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cpe:2.3:a:jenkins:github:1.9
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cpe:2.3:a:jenkins:github:1.9.1