{"id":"CVE-2021-42045","aliases":["BIT-mediawiki-2021-42045","EUVD-2021-29033","GHSA-h4rq-qqxg-4h7c"],"status":"published","title":"An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple...","description":"An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00659,"percentile":0.51969,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2021-10-06T20:49:18Z","modified":"2026-10-24T10:30:46Z","fixes":[{"ecosystem":"Bitnami","package":"mediawiki","fixed_in":["1.36.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mediawiki","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.36.3"}]}]}],"products":[{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://phabricator.wikimedia.org/T289385","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://gerrit.wikimedia.org/r/q/I4f04083cd00884d3b85245460774c81c7639a578","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","web","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42045","tags":["web"]},{"url":"https://github.com/advisories/GHSA-h4rq-qqxg-4h7c"}],"sources":{"cve":[{"id":"CVE-2021-42045","description":"An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.","status":"published","published":"2021-10-06T20:49:18Z","modified":"2024-08-04T03:22:25.967Z","updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2021-29033","description":"An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.","status":"published","published":"2021-10-06T20:49:18Z","modified":"2024-08-04T03:22:25Z","updated_at":"2026-11-03T03:24:16.784119Z"}],"ghsa":[{"id":"GHSA-h4rq-qqxg-4h7c","title":"An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple...","description":"An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.","status":"published","published":"2022-09-30T00:00:29Z","modified":"2023-02-02T05:00:57Z","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":"2026-11-02T14:51:04.884002Z"}],"nvd":[{"id":"CVE-2021-42045","description":"An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.","status":"published","published":"2022-09-29T03:15:14.533Z","modified":"2026-06-17T04:09:12.897Z","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":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:06.906968Z"}],"osv":[{"id":"CVE-2021-42045","description":"An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.","status":"published","published":"2022-09-29T03:15:14.533Z","modified":"2026-10-24T10:30:46.211477252Z","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":"2026-11-02T15:44:21.557945Z"},{"id":"BIT-mediawiki-2021-42045","description":"An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.","status":"published","published":"2024-03-06T11:10:18.885Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}