CVE-2026-42523

{"id": "CVE-2026-42523", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42523", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-29T14:29:18.837762Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.3}]}, "affected": [{"source": "jenkinsci-cert@googlegroups.com", "affectedData": [{"vendor": "Jenkins Project", "product": "Jenkins GitHub Plugin", "versions": [{"status": "affected", "version": "0", "versionType": "maven", "lessThanOrEqual": "1.46.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-04-29T14:16:19.360", "references": [{"url": "https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3704", "tags": ["Vendor Advisory"], "source": "jenkinsci-cert@googlegroups.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-06-17T10:47:59.190", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jenkins:github:*:*:*:*:*:jenkins:*:*", "vulnerable": true, "matchCriteriaId": "162727B7-EF1E-4E69-A191-1F9DDE585A37", "versionEndExcluding": "1.46.0.1"}], "operator": "OR"}]}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com"}