{"id":"CVE-2026-58519","aliases":["EUVD-2026-40901","GHSA-r23x-87q7-xq2f"],"status":"published","title":"Stored XSS through Cargo's map format","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.\n\nThis issue affects Mediawiki - Cargo Extension: from * before 3.9.1.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:A","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00241,"percentile":0.15413,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-07-01T03:59:33Z","modified":"2026-10-25T17:10:00Z","products":[{"vendor":"mediawiki","product":"cargo"},{"vendor":"the wikimedia foundation","product":"mediawiki - cargo extension"},{"vendor":"wikimedia foundation","product":"mediawiki - cargo extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T424140","tags":["exploit","Issue Tracking"]},{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1277612","tags":["Issue Tracking"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58519"},{"url":"https://github.com/advisories/GHSA-r23x-87q7-xq2f"}],"sources":{"cve":[{"id":"CVE-2026-58519","title":"Stored XSS through Cargo's map format","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.\n\nThis issue affects Mediawiki - Cargo Extension: from * before 3.9.1.","status":"published","published":"2026-07-01T03:59:33.932Z","modified":"2026-07-01T12:29:57.811Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:A","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:47:28.691429Z"}],"euvd":[{"id":"EUVD-2026-40901","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.\n\nThis issue affects Mediawiki - Cargo Extension: from * before 3.9.1.","status":"published","published":"2026-07-01T03:59:33Z","modified":"2026-07-01T12:29:57Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:A","level":"medium"}],"updated_at":"2026-11-02T18:20:20.297775Z"}],"ghsa":[{"id":"GHSA-r23x-87q7-xq2f","title":"Improper neutralization of input during web page generation ('cross-site scripting')...","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.\n\nThis issue affects Mediawiki - Cargo Extension: from * before 3.9.1.","status":"published","published":"2026-07-01T06:31:34Z","modified":"2026-07-06T21:30:28Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:09:18.163038Z"}],"nvd":[{"id":"CVE-2026-58519","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.\n\nThis issue affects Mediawiki - Cargo Extension: from * before 3.9.1.","status":"published","published":"2026-07-01T05:16:23.11Z","modified":"2026-10-25T17:10:00.197Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:27.199837Z"}]}}