Security advisory

{
  "id": "1ae45f34ca5f507dac3a2fe9855cc0fd319820ce3d5a31cac3ba9e3597cf784a",
  "url": "https://osv.dev/vulnerability/CVE-2021-4103",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-4103",
    "summary": "Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34.",
    "evidence": "osv:CVE-2021-4103",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-4103",
      "aliases": [
        "CVE-2021-4103",
        "GHSA-cxm3-v4mv-6mh8"
      ],
      "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/vanessa219/vditor",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8d4d0889dd72b2f839e93a49db3da3a370416c7d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "8d4d0889dd72b2f839e93a49db3da3a370416c7d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.8.8",
            "v3.8.5",
            "v3.8.4",
            "v3.8.3",
            "v3.8.2",
            "v3.8.1",
            "v3.8.0",
            "v3.7.6",
            "v3.7.5",
            "v3.7.4",
            "v3.7.3",
            "v3.7.2",
            "v3.7.1",
            "v3.7.0",
            "v3.6.6",
            "v3.6.3",
            "v3.6.1",
            "v3.6.0",
            "v3.5.5",
            "v3.5.4",
            "v3.5.3",
            "v3.5.2",
            "v3.4.7",
            "v3.4.6",
            "v3.4.5",
            "v3.4.4",
            "v3.4.3",
            "v3.4.2",
            "v3.4.1",
            "v3.4.0",
            "v3.3.12",
            "v3.3.11",
            "v3.3.10",
            "v3.3.9",
            "v3.3.8",
            "v3.3.6",
            "v3.3.5",
            "v3.3.4",
            "v3.2.12",
            "v3.1.23",
            "v3.0.12",
            "v2.2.19",
            "v2.0.15",
            "v1.10.11",
            "v1.10.10",
            "v1.9.7",
            "v1.8.16",
            "1.7.25",
            "v1.6.12",
            "v1.5.12",
            "v1.4.7",
            "v1.3.5",
            "v1.2.10",
            "v1.1.11",
            "v1.0.0",
            "v0.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4103.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:55.888847361Z",
      "provider": "osv",
      "references": [
        "https://github.com/vanessa219/vditor/commit/8d4d0889dd72b2f839e93a49db3da3a370416c7d",
        "https://huntr.dev/bounties/67b980af-7357-4879-9448-a926c6474225"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:b3log:vditor:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "b3log:vditor",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "1.0.34"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "1.0.34"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-4103",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384766,
  "published_at": "2022-01-23T02:15:06.997+00:00"
}