Security advisory

{
  "id": "0120d5a3fcbfd0b2a2ae83f54149d9b83f8fe723773e7fc25166a58d524c51e2",
  "url": "https://osv.dev/vulnerability/CVE-2021-21618",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-21618",
    "summary": "Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.",
    "evidence": "osv:CVE-2021-21618",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-21618",
      "aliases": [
        "CVE-2021-21618",
        "GHSA-hg2w-3c4j-jjwm"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jenkinsci/repository-connector-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "9633fa22da8375f545591e414eb6b7c00c633d9e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jenkins:repository_connector:*:*:*:*:*:jenkins:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.0.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "repository-connector-2.0.2",
            "repository-connector-2.0.1",
            "repository-connector-2.0.0",
            "repository-connector-1.3.1",
            "repository-connector-1.3.0",
            "repository-connector-1.2.7",
            "repository-connector-1.2.6",
            "repository-connector-1.2.5",
            "repository-connector-1.2.4",
            "repository-connector-1.2.3",
            "repository-connector-1.2.2",
            "repository-connector-1.2.1",
            "repository-connector-1.2.0",
            "repository-connector-1.1.3",
            "repository-connector-1.1.2",
            "repository-connector-1.1.1",
            "repository-connector-1.1.0",
            "repository-connector-1.0.1",
            "repository-connector-1.0.0",
            "repository-connector-0.8.2",
            "repository-connector-0.8.0",
            "repository-connector-0.7.0",
            "repository-connector-0.6.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21618.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:24.800494424Z",
      "provider": "osv",
      "references": [
        "https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2183"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-21618",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431223,
  "published_at": "2021-02-24T16:15:14.897+00:00"
}