{"id":"CVE-2026-103443","title":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Collection (Book) extension allows XSS Targeting Non-Script Elements.\n\nThis issue affects MediaWiki Collect…","summary":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Collection (Book) extension allows XSS Targeting Non-Script Elements.\n\nThis issue affects MediaWiki Collect…","severity":"low","cvss":1.1,"cvssVector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/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","cwe":["CWE-80"],"vendor":"The Wikimedia Foundation","product":"MediaWiki Collection (Book) extension","affected":["mediawiki_collection_book_extension 1.46","mediawiki_collection_book_extension 1.45","mediawiki_collection_book_extension 1.43"],"published":"2026-09-30","updated":"2026-09-30","sourceUpdated":"2026-09-30T21:17:09.063","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103443","references":[{"url":"https://gerrit.wikimedia.org/r/q/I51d973d4ace99fb6e584296f296efb0ff50339ce","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://phabricator.wikimedia.org/T435822","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T18:13:04.341673Z"},"cvssSource":"cna","ingestedAt":"2026-09-30T17:13:20.841Z","slug":"CVE-2026-103443","body":"## Overview\n\nImproper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Collection (Book) extension allows XSS Targeting Non-Script Elements.\n\nThis issue affects MediaWiki Collection (Book) extension: 1.46, 1.45, and 1.43.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":6,"depthScoreParts":{"impact":6.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}