{"id":"CVE-2025-7362","aliases":["EUVD-2025-20664","GHSA-pqmg-6grf-rg8c"],"status":"published","title":"MsUpload: Stored Cross-Site Scripting (XSS) via unsanitized msu-continue system message","description":"The MsUpload extension for MediaWiki is vulnerable to stored XSS via the msu-continue system message, which is inserted into the DOM without proper sanitization. The vulnerability occurs in the file upload UI when the same filename is uploaded twice.\n\n\n\n\nThis issue affects Mediawiki - MsUpload extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.","severity":{"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":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00198,"percentile":0.09702,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-07-08T17:22:35Z","modified":"2026-06-17T10:04:47Z","products":[{"vendor":"wikimedia foundation","product":"mediawiki - msupload extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T394864","tags":["exploit"]},{"url":"https://gerrit.wikimedia.org/r/q/Icf4c0a5a936926ea887ca2e48c3a7bd297201d9f"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-7362"},{"url":"https://github.com/advisories/GHSA-pqmg-6grf-rg8c"}],"sources":{"cve":[{"id":"CVE-2025-7362","title":"MsUpload: Stored Cross-Site Scripting (XSS) via unsanitized msu-continue system message","description":"The MsUpload extension for MediaWiki is vulnerable to stored XSS via the msu-continue system message, which is inserted into the DOM without proper sanitization. The vulnerability occurs in the file upload UI when the same filename is uploaded twice.\n\n\n\n\nThis issue affects Mediawiki - MsUpload extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.","status":"published","published":"2025-07-08T17:22:35.364Z","modified":"2025-07-10T13:19:38.972Z","cvss":[{"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":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:51.544289Z"}],"euvd":[{"id":"EUVD-2025-20664","description":"The MsUpload extension for MediaWiki is vulnerable to stored XSS via the msu-continue system message, which is inserted into the DOM without proper sanitization. The vulnerability occurs in the file upload UI when the same filename is uploaded twice.\n\n\n\n\nThis issue affects Mediawiki - MsUpload extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.","status":"published","published":"2025-07-08T17:22:35Z","modified":"2025-07-10T13:19:38Z","cvss":[{"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"}],"updated_at":"2026-11-02T20:32:10.118111Z"}],"ghsa":[{"id":"GHSA-pqmg-6grf-rg8c","title":"The MsUpload extension for MediaWiki is vulnerable to stored XSS via the msu-continue system...","description":"The MsUpload extension for MediaWiki is vulnerable to stored XSS via the msu-continue system message, which is inserted into the DOM without proper sanitization. The vulnerability occurs in the file upload UI when the same filename is uploaded twice.\n\n\n\n\nThis issue affects Mediawiki - MsUpload extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.","status":"published","published":"2025-07-08T18:31:52Z","modified":"2025-07-10T15:32:22Z","cvss":[{"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":"2026-11-02T15:02:58.788337Z"}],"nvd":[{"id":"CVE-2025-7362","description":"The MsUpload extension for MediaWiki is vulnerable to stored XSS via the msu-continue system message, which is inserted into the DOM without proper sanitization. The vulnerability occurs in the file upload UI when the same filename is uploaded twice.\n\n\n\n\nThis issue affects Mediawiki - MsUpload extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.","status":"published","published":"2025-07-08T18:15:46.797Z","modified":"2026-06-17T10:04:47.213Z","cvss":[{"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":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:17.727956Z"}]}}