Security advisory

{
  "id": "b602060f7d75d2c6d3137970ae6d825df0e6a56027598296571191c36fe62614",
  "url": "https://osv.dev/vulnerability/CVE-2026-42523",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-42523",
    "summary": "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.",
    "evidence": "osv:CVE-2026-42523",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-42523",
      "aliases": [
        "CVE-2026-42523",
        "GHSA-w22p-4x9f-486v"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jenkinsci/github-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "417b7dbbb12dd826696082fccf050989b5c28e0f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jenkins:github:*:*:*:*:*:jenkins:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.46.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.46.0",
            "v1.45.0",
            "v1.44.0",
            "v1.43.0",
            "v1.42.0",
            "v1.41.0",
            "v1.40.0",
            "v1.36.2",
            "v1.39.0",
            "v1.38.0",
            "v1.37.3.1",
            "v1.37.3",
            "v1.37.2",
            "v1.37.1",
            "v1.37.0",
            "v1.36.1",
            "v1.36.0",
            "v1.35.0",
            "v1.34.5",
            "v1.34.4",
            "v1.34.3",
            "v1.34.2",
            "v1.34.1",
            "v1.34.0",
            "v1.33.1",
            "v1.33.0",
            "v1.32.0",
            "v1.31.0",
            "v1.29.5",
            "v1.30.0",
            "v1.29.4",
            "v1.29.3",
            "v1.29.0",
            "v1.28.1",
            "v1.28.0",
            "v1.27.0",
            "v1.26.2",
            "v1.26.1",
            "v1.26.0",
            "v1.25.1",
            "v1.24.0",
            "v1.23.1",
            "v1.23.0",
            "v1.22.4",
            "v1.22.3",
            "v1.22.2",
            "v1.22.1",
            "v1.22.0",
            "v1.21.1",
            "v1.21.0",
            "v1.20.0",
            "v1.19.3",
            "v1.19.2",
            "v1.19.1",
            "github-1.19.0",
            "github-1.18.2",
            "github-1.18.1",
            "github-1.18.0",
            "github-1.17.1",
            "github-1.17.0",
            "github-1.16.0",
            "github-1.15.0",
            "github-1.14.2",
            "github-1.14.1",
            "github-1.14.0",
            "github-1.14.0-alpha-2",
            "github-1.14.0-alpha-1",
            "github-1.13.0",
            "github-1.13.0-alpha-2",
            "github-1.13.0-alpha-1",
            "github-1.12.1",
            "github-1.12.0",
            "github-1.12.0-alpha-1",
            "github-1.11.3",
            "github-1.11.2",
            "github-1.11.1",
            "github-1.11",
            "github-1.10",
            "github-1.9.1",
            "github-1.9",
            "github-1.8",
            "github-1.7",
            "github-1.6",
            "github-1.5",
            "github-1.4",
            "github-1.3",
            "github-1.2",
            "github-1.1",
            "github-1.0",
            "github-0.9",
            "github-0.8",
            "github-0.7",
            "github-0.6",
            "github-0.5",
            "github-0.4",
            "github-0.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42523.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.935703463Z",
      "provider": "osv",
      "references": [
        "https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3704"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-42523",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491623,
  "published_at": "2026-04-29T14:16:19.36+00:00"
}