Security advisory

{
  "id": "47c7178f653936fbd98a05870179e42509e1ea6cc26a8351c99892d14f524188",
  "url": "https://osv.dev/vulnerability/CVE-2020-15179",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15179",
    "summary": "The ScratchSig extension for MediaWiki before version 1.0.1 allows stored Cross-Site Scripting. Using",
    "evidence": "osv:CVE-2020-15179",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-15179",
      "aliases": [
        "CVE-2020-15179",
        "GHSA-gp9v-pg9f-vmp6"
      ],
      "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/internationalscratchwiki/wiki-scratchsig",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "44c6ff3128a340a68a86bb780ba75ca55dac068c"
                },
                {
                  "fixed": "4160a39a20eebeb63a59eb7597a91b961eca6388"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:scratch-wiki:scratchsig:*:*:*:*:*:mediawiki:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "4160a39a20eebeb63a59eb7597a91b961eca6388"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15179.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:52.868013058Z",
      "provider": "osv",
      "references": [
        "https://github.com/InternationalScratchWiki/wiki-scratchsig/security/advisories/GHSA-gp9v-pg9f-vmp6",
        "https://github.com/InternationalScratchWiki/wiki-scratchsig/commit/4160a39a20eebeb63a59eb7597a91b961eca6388"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-15179",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383071,
  "published_at": "2020-09-15T18:15:14+00:00"
}