CVE-2026-103047 (GCVE-0-2026-103047)

Vulnerability from cvelistv5 – Published: 2026-09-29 22:59 – Updated: 2026-09-29 22:59
VLAI
Title
XSS through i18n message in CentralAuth
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS. This issue affects Mediawiki - CentralAuth 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 - CentralAuth extension Affected: 0 , < 1.46.1, 1.45.5, 1.43.10 (semver)
guessed Create a notification for this product.
Credits
Bawolff SomeRandomDeveloper
Show details on NVD website
To clipboard 

{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Mediawiki - CentralAuth extension",
          "repo": "https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/CentralAuth/+/refs/heads/master",
          "vendor": "The Wikimedia Foundation",
          "versions": [
            {
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
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        }
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          "lang": "en",
          "type": "finder",
          "value": "Bawolff"
        },
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          "type": "remediation developer",
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            }
          ],
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        }
      ],
      "impacts": [
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      "providerMetadata": {
        "dateUpdated": "2026-09-29T22:59:48.502Z",
        "orgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
        "shortName": "wikimedia-foundation"
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      "references": [
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          "url": "https://phabricator.wikimedia.org/T244682"
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          "tags": [
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          "url": "https://gerrit.wikimedia.org/r/c/1309285"
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      "source": {
        "discovery": "UNKNOWN"
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      "title": "XSS through i18n message in CentralAuth",
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    "cveId": "CVE-2026-103047",
    "datePublished": "2026-09-29T22:59:48.502Z",
    "dateReserved": "2026-09-29T22:29:32.002Z",
    "dateUpdated": "2026-09-29T22:59:48.502Z",
    "state": "PUBLISHED"
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    "nvd": {
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          }
        ],
        "id": "CVE-2026-103047",
        "lastModified": "2026-09-29T23:17:22.570",
        "metrics": {},
        "published": "2026-09-29T23:17:22.570",
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      "cve": "CVE-2026-103047",
      "id": "CVE-2026-103047",
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      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CentralAuth: MediaWiki: CentralAuth: Stored Cross-Site Scripting via internationalization messages",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-103047.json",
      "version": "3"
    }
  }
}



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