{"id":"CVE-2022-0637","aliases":["EUVD-2022-1203","GHSA-vg27-hr3v-3cqv","PYSEC-2026-738"],"status":"published","title":"open redirect in pollbot","description":"open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00429,"percentile":0.37406,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601"],"published":"2022-02-16T23:02:09Z","modified":"2026-10-28T02:31:04Z","fixes":[{"ecosystem":"PyPI","package":"pollbot","fixed_in":["1.4.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"pollbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.6"}]}]},{"source":"osv","ecosystem":"PyPI","package":"pollbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.6"}]}],"versions":["0.1.0","0.2.0","0.2.1","0.3.0","0.4.0","0.5.0","0.6.0","0.6.1","1.0.0","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4"]},{"source":"osv","ecosystem":"PyPI","package":"pollbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.6"}]}],"versions":["0.1.0","0.2.0","0.2.1","0.3.0","0.4.0","0.5.0","0.6.0","0.6.1","1.0.0","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4"]}],"products":[{"vendor":"mozilla","product":"pollbot"}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1753838","tags":["x_transferred","report","web"]},{"url":"https://github.com/mozilla/PollBot/security/advisories/GHSA-vg27-hr3v-3cqv","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0637","tags":["advisory"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2022-0637","tags":["web"]},{"url":"https://github.com/mozilla/PollBot/pull/360","tags":["web"]},{"url":"https://github.com/mozilla/PollBot/commit/e39d8bec2df582ba525bb2e2f33c3ebc584d7ff8","tags":["web"]},{"url":"https://github.com/advisories/GHSA-vg27-hr3v-3cqv","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0637.json","tags":["advisory"]},{"url":"https://github.com/mozilla/PollBot","tags":["package"]},{"url":"https://pypi.org/project/pollbot","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-0637","description":"open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6","status":"published","published":"2023-02-16T00:00:00Z","modified":"2025-03-19T14:53:11.104Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:34:41.69911Z"}],"euvd":[{"id":"EUVD-2022-1203","description":"open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6","status":"published","published":"2023-02-16T00:00:00Z","modified":"2025-03-19T14:53:11Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:59.10334Z"}],"ghsa":[{"id":"GHSA-vg27-hr3v-3cqv","title":"open redirect in pollbot","description":"(From https://bugzilla.mozilla.org/show_bug.cgi?id=1753838)\n\nSummary:\nThere was an open redirection vulnerability in the path of:\n\nhttps://pollbot.services.mozilla.com/ and https://pollbot.stage.mozaws.net/\n\nDescription:\nAn attacker can redirect anyone to malicious sites.\n\nSteps To Reproduce:\nType in this URL:\n\nhttps://pollbot.services.mozilla.com/%0a/evil.com/\n\nIt redirects to that website\n\nevil.com\n\nevil.com was used as an example but this could be any website. Note, the /%0a/ and trailing / are required.\n\nSupporting Material/References:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\nImpact\n\nAttackers can serve malicious websites that steal passwords or download ransomware to their victims machine due to a redirect and there are a heap of other attack vectors.","status":"published","published":"2022-02-16T23:02:09Z","modified":"2023-05-22T14:42:20Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:36:53.103029Z"}],"nvd":[{"id":"CVE-2022-0637","description":"open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6","status":"published","published":"2023-02-16T22:15:10.9Z","modified":"2026-06-17T04:20:58.77Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:07:36.601381Z"}],"osv":[{"id":"CVE-2022-0637","description":"open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6","status":"published","published":"2023-02-16T00:00:00Z","modified":"2026-10-28T02:31:04.122725945Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:22.824781Z"},{"id":"GHSA-vg27-hr3v-3cqv","title":"open redirect in pollbot","description":"(From https://bugzilla.mozilla.org/show_bug.cgi?id=1753838)\n\nSummary:\nThere was an open redirection vulnerability in the path of:\n\nhttps://pollbot.services.mozilla.com/ and https://pollbot.stage.mozaws.net/\n\nDescription:\nAn attacker can redirect anyone to malicious sites.\n\nSteps To Reproduce:\nType in this URL:\n\nhttps://pollbot.services.mozilla.com/%0a/evil.com/\n\nIt redirects to that website\n\nevil.com\n\nevil.com was used as an example but this could be any website. Note, the /%0a/ and trailing / are required.\n\nSupporting Material/References:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\nImpact\n\nAttackers can serve malicious websites that steal passwords or download ransomware to their victims machine due to a redirect and there are a heap of other attack vectors.","status":"published","published":"2022-02-16T23:02:09Z","modified":"2026-07-06T08:11:31.267522442Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:57.348035Z"},{"id":"PYSEC-2026-738","title":"open redirect in pollbot","description":"(From https://bugzilla.mozilla.org/show_bug.cgi?id=1753838)\n\nSummary:\nThere was an open redirection vulnerability in the path of:\n\nhttps://pollbot.services.mozilla.com/ and https://pollbot.stage.mozaws.net/\n\nDescription:\nAn attacker can redirect anyone to malicious sites.\n\nSteps To Reproduce:\nType in this URL:\n\nhttps://pollbot.services.mozilla.com/%0a/evil.com/\n\nIt redirects to that website\n\nevil.com\n\nevil.com was used as an example but this could be any website. Note, the /%0a/ and trailing / are required.\n\nSupporting Material/References:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\nImpact\n\nAttackers can serve malicious websites that steal passwords or download ransomware to their victims machine due to a redirect and there are a heap of other attack vectors.","status":"published","published":"2026-07-02T14:13:15.349245Z","modified":"2026-07-06T08:00:50.600875365Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:58.117212Z"}]}}