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              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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              "baseScore": 6.1,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
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              "content": {
                "id": "CVE-2026-103050",
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                    "Exploitation": "none"
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                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                "timestamp": "2026-09-30T18:14:37.088220Z",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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        {
          "defaultStatus": "unaffected",
          "product": "Mediawiki - MassMessage extension",
          "repo": "https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/MassMessage/+/refs/heads/master",
          "vendor": "The Wikimedia Foundation",
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              "versionType": "semver"
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          "type": "finder",
          "value": "SomeRandomDeveloper"
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          "type": "remediation developer",
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              "base64": false,
              "type": "text/html",
              "value": "Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027) vulnerability in The Wikimedia Foundation Mediawiki - MassMessage extension allows Stored XSS.\u003cp\u003eThis issue affects Mediawiki - MassMessage extension: before 1.46.1, 1.45.5, 1.43.10.\u003c/p\u003e"
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          ],
          "value": "Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027) vulnerability in The Wikimedia Foundation Mediawiki - MassMessage extension allows Stored XSS.\n\nThis issue affects Mediawiki - MassMessage extension: before 1.46.1, 1.45.5, 1.43.10."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-592",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-592 Stored XSS"
            }
          ]
        }
      ],
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        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027)",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-29T23:11:02.272Z",
        "orgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
        "shortName": "wikimedia-foundation"
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      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://phabricator.wikimedia.org/T432341"
        },
        {
          "tags": [
            "mitigation"
          ],
          "url": "https://gerrit.wikimedia.org/r/c/1346089"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Stored i18n XSS in MassMessage",
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    "assignerShortName": "wikimedia-foundation",
    "cveId": "CVE-2026-103050",
    "datePublished": "2026-09-29T23:11:02.272Z",
    "dateReserved": "2026-09-29T22:29:40.415Z",
    "dateUpdated": "2026-09-30T20:01:03.537Z",
    "state": "PUBLISHED"
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