{"id":"CVE-2026-13706","aliases":["EUVD-2026-41032","GHSA-v4ch-5p7w-6w58"],"status":"published","title":"UrlShortener extension url validation can be bypassed due to difference between php url parsing and WHATWG","description":"Improper input validation vulnerability in Wikimedia Foundation UrlShortener.\n\n This vulnerability is associated with program files includes/UrlShortenerUtils.Php.","severity":{"version":"4.0","score":0,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N","level":"none","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00479,"percentile":0.41693,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-07-01T14:29:49Z","modified":"2026-10-27T02:30:48Z","products":[{"vendor":"mediawiki","product":"mediawiki"},{"vendor":"wikimedia foundation","product":"urlshortener"}],"references":[{"url":"https://phabricator.wikimedia.org/T418533","tags":["Permissions Required","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13706"},{"url":"https://github.com/advisories/GHSA-v4ch-5p7w-6w58"}],"sources":{"cve":[{"id":"CVE-2026-13706","title":"UrlShortener extension url validation can be bypassed due to difference between php url parsing and WHATWG","description":"Improper input validation vulnerability in Wikimedia Foundation UrlShortener.\n\n This vulnerability is associated with program files includes/UrlShortenerUtils.Php.","status":"published","published":"2026-07-01T14:29:49.167Z","modified":"2026-07-01T15:44:29.349Z","cvss":[{"version":"4.0","score":0,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N","level":"none","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:19:50.24628Z"}],"euvd":[{"id":"EUVD-2026-41032","description":"Improper input validation vulnerability in Wikimedia Foundation UrlShortener.\n\n This vulnerability is associated with program files includes/UrlShortenerUtils.Php.","status":"published","published":"2026-07-01T14:29:49Z","modified":"2026-07-01T15:44:29Z","updated_at":"2026-11-02T18:20:19.446061Z"}],"ghsa":[{"id":"GHSA-v4ch-5p7w-6w58","title":"Improper input validation vulnerability in Wikimedia Foundation UrlShortener.\n\n This...","description":"Improper input validation vulnerability in Wikimedia Foundation UrlShortener.\n\n This vulnerability is associated with program files includes/UrlShortenerUtils.Php.","status":"published","published":"2026-07-01T18:31:47Z","modified":"2026-07-09T18:31:27Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":0,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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":"none"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:09:21.623271Z"}],"nvd":[{"id":"CVE-2026-13706","description":"Improper input validation vulnerability in Wikimedia Foundation UrlShortener.\n\n This vulnerability is associated with program files includes/UrlShortenerUtils.Php.","status":"published","published":"2026-07-01T16:16:31.617Z","modified":"2026-10-25T17:10:00.197Z","cvss":[{"version":"4.0","score":0,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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":"none","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:27.199837Z"}],"osv":[{"id":"CVE-2026-13706","description":"Improper input validation vulnerability in Wikimedia Foundation UrlShortener.\n\n This vulnerability is associated with program files includes/UrlShortenerUtils.Php.","status":"published","published":"2026-07-01T16:16:31.617Z","modified":"2026-10-27T02:30:48.287548848Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:57.354194Z"}]}}