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CVE-2026-103047

XSS through i18n message in CentralAuth

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-103047

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-103047

Published

Mediawiki - CentralAuth extension

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "1.46.1, 1.45.5, 1.43.10",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "vendor": "The Wikimedia Foundation",
                    "product": "Mediawiki - CentralAuth extension",
                    "repo": "https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/CentralAuth/+/refs/heads/master"
                }

Original source record · Cite this exact observation · Complete original publisher JSON