{"id":"CVE-2026-103439","revision":"0d167466e08347aabfe1dfc6a817c808","records":[{"revision":"0d167466e08347aabfe1dfc6a817c808","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-103439","aliases":[],"title":"Various rawParams() and escaped() updates to prevent XSS in Wikibase extension","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Wikbase extension allows Cross-Site Scripting (XSS).\n\nThis issue affects MediaWiki Wikbase extension: 1.46, 1.45, and 1.43.","state":0,"publishedAt":"2026-09-30T17:34:10.328+00:00","modifiedAt":"2026-09-30T20:01:01.56+00:00","affected":[{"ecosystem":"Vendor product","name":"MediaWiki Wikbase extension","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"The Wikimedia Foundation\",\n                    \"product\": \"MediaWiki Wikbase extension\",\n                    \"repo\": \"https://gerrit.wikimedia.org/r/mediawiki/extensions/Wikibase\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.46\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.45\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.43\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:D/RE:M/U:Amber","score":0.3,"severity":"LOW"}],"references":["https://phabricator.wikimedia.org/T182213","https://gerrit.wikimedia.org/r/q/Ie7a35b211565148e0cae437a4a8c41633b81f1b3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103439","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-103439","identifiers":["CVE-2026-103439"]},"retained":false,"historicalAffected":[]}],"coverage":[]}