Security advisory

{
  "id": "a3fc591448c9ef566dcb05af1623cde7bd36ef8b676ec6a393fefdc7ea19d15e",
  "url": "https://osv.dev/vulnerability/CVE-2024-36624",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-36624",
    "summary": "Zulip 8.3 is vulnerable to Cross Site Scripting (XSS) via the construct_copy_div function in copy_and_paste.js.",
    "evidence": "osv:CVE-2024-36624",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-36624",
      "aliases": [
        "CVE-2024-36624"
      ],
      "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/zulip/zulip",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a17af4b1ea5398a193f9a9d00d82a1c6b9595440"
                },
                {
                  "fixed": "e1029b59ede0c4f314c367ffa1ba2904ffaf6768"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:zulip:zulip:8.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.3"
                      },
                      {
                        "last_affected": "8.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "e1029b59ede0c4f314c367ffa1ba2904ffaf6768"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            },
            {
              "repo": "https://github.com/zulip/zulip-mobile",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0016001b2692c835c26047b271b646a5f481fb4f"
                },
                {
                  "last_affected": "0016001b2692c835c26047b271b646a5f481fb4f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:zulip:zulip:8.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.3"
                      },
                      {
                        "last_affected": "8.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.3",
            "8.3.64",
            "8.2.63"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-36624.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.797972012Z",
      "provider": "osv",
      "references": [
        "https://gist.github.com/1047524396/64720d2aa5afd943eb7e5a1ed4808ad6",
        "https://github.com/zulip/zulip/blob/8.3/web/src/copy_and_paste.js#L90",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36624.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-36624",
        "https://github.com/zulip/zulip/commit/e1029b59ede0c4f314c367ffa1ba2904ffaf6768"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36624.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-36624",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489255,
  "published_at": "2024-11-29T00:00:00+00:00"
}