CVE-2026-103051 (GCVE-0-2026-103051)

Vulnerability from cvelistv5 – Published: 2026-09-29 23:13 – Updated: 2026-09-29 23:13
VLAI
Title
Stored i18n XSSs in CentralNotice
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralNotice extension allows Stored XSS. This issue affects Mediawiki - CentralNotice extension: before 1.46.1, 1.45.5, 1.43.10.
Severity
No CVSS data available.
CWE
  • CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
Impacted products
Vendor Product Version CPE status
The Wikimedia Foundation Mediawiki - CentralNotice extension Affected: 0 , < 1.46.1, 1.45.5, 1.43.10 (semver)
guessed Create a notification for this product.
Credits
SomeRandomDeveloper SomeRandomDeveloper
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Mediawiki - CentralNotice extension",
          "repo": "https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/CentralNotice/+/refs/heads/master",
          "vendor": "The Wikimedia Foundation",
          "versions": [
            {
              "lessThan": "1.46.1, 1.45.5, 1.43.10",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "SomeRandomDeveloper"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "SomeRandomDeveloper"
        }
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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 - CentralNotice extension allows Stored XSS.\u003cp\u003eThis issue affects Mediawiki - CentralNotice extension: before 1.46.1, 1.45.5, 1.43.10.\u003c/p\u003e"
            }
          ],
          "value": "Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027) vulnerability in The Wikimedia Foundation Mediawiki - CentralNotice extension allows Stored XSS.\n\nThis issue affects Mediawiki - CentralNotice extension: before 1.46.1, 1.45.5, 1.43.10."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-592",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-592 Stored XSS"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "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": "2026-09-29T23:13:32.747Z",
        "orgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
        "shortName": "wikimedia-foundation"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://phabricator.wikimedia.org/T432419"
        },
        {
          "tags": [
            "mitigation"
          ],
          "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CentralNotice/+/1346103"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Stored i18n XSSs in CentralNotice",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
    "assignerShortName": "wikimedia-foundation",
    "cveId": "CVE-2026-103051",
    "datePublished": "2026-09-29T23:13:32.747Z",
    "dateReserved": "2026-09-29T22:29:41.526Z",
    "dateUpdated": "2026-09-29T23:13:32.747Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
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                "product": "Mediawiki - CentralNotice extension",
                "repo": "https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/CentralNotice/+/refs/heads/master",
                "vendor": "The Wikimedia Foundation",
                "versions": [
                  {
                    "lessThan": "1.46.1, 1.45.5, 1.43.10",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
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            "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"
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        "cveTags": [],
        "descriptions": [
          {
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            "value": "Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027) vulnerability in The Wikimedia Foundation Mediawiki - CentralNotice extension allows Stored XSS.\n\nThis issue affects Mediawiki - CentralNotice extension: before 1.46.1, 1.45.5, 1.43.10."
          }
        ],
        "id": "CVE-2026-103051",
        "lastModified": "2026-09-30T00:16:35.473",
        "metrics": {},
        "published": "2026-09-30T00:16:35.473",
        "references": [
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            "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
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        ],
        "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
        "vulnStatus": "Received",
        "weaknesses": [
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            "description": [
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                "lang": "en",
                "value": "CWE-79"
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            "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
            "type": "Secondary"
          }
        ]
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    }
  }
}



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