RSSHub Cross-site Scripting vulnerability caused by internal media proxy

{
  "id": "98458f7001bdc29444460b8144092184399ee9e86120c16cf17a2198e1d0e718",
  "url": "https://osv.dev/vulnerability/CVE-2024-27926",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "RSSHub Cross-site Scripting vulnerability caused by internal media proxy",
    "summary": "RSSHub is an open source RSS feed generator. Starting in version 1.0.0-master.cbbd829 and prior to version 1.0.0-master.d8ca915, ahen the specially crafted image is supplied to the internal media proxy, it proxies the image without handling XSS vulnerabilities, allowing for the execution of arbitrary JavaScript code. Users who access the deliberately constructed URL are affected. This vulnerability was fixed in version 1.0.0-master.d8ca915. No known workarounds are available.",
    "evidence": "osv:CVE-2024-27926",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-27926",
      "aliases": [
        "CVE-2024-27926",
        "GHSA-2wqw-hr4f-xrhh"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/diygod/rsshub",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4d3e5d79c1c17837e931b4cd253d2013b487aa87"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "4d3e5d79c1c17837e931b4cd253d2013b487aa87"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-27926.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.360147675Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27926.json",
        "https://github.com/DIYgod/RSSHub/security/advisories/GHSA-2wqw-hr4f-xrhh",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-27926",
        "https://github.com/DIYgod/RSSHub/commit/4d3e5d79c1c17837e931b4cd253d2013b487aa87"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.0.0-master.cbbd829"
                  },
                  {
                    "fixed": "1.0.0-master.d8ca915"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StringRangeExpression"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "1.0.0-master.d8ca915"
                  },
                  {
                    "fixed": "1.0.0-master.d8ca915"
                  },
                  {
                    "last_affected": "1.0.0-master.cbbd829"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27926.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-27926",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 518797,
  "published_at": "2024-03-06T20:36:04.28+00:00"
}