{"id":"CVE-2022-0637","aliases":["GHSA-vg27-hr3v-3cqv","PYSEC-2026-738"],"url":"https://o3.security/vulnerability/CVE-2022-0637","summary":"open redirect in pollbot","details":"(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.","published":"2023-02-16T00:00:00Z","modified":"2026-10-08T02:45:29.042251800Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.00426,"percentile":0.35382,"asOf":"2026-08-29"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"pollbot","fixedVersion":"1.4.6"}],"fix":{"url":"https://github.com/mozilla/PollBot/pull/360","label":"mozilla/PollBot#360"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0637.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0637"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1753838"},{"type":"WEB","url":"https://github.com/mozilla/PollBot/security/advisories/GHSA-vg27-hr3v-3cqv"},{"type":"WEB","url":"https://github.com/mozilla/PollBot/pull/360"},{"type":"WEB","url":"https://github.com/mozilla/PollBot/commit/e39d8bec2df582ba525bb2e2f33c3ebc584d7ff8"},{"type":"WEB","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2022-0637"},{"type":"PACKAGE","url":"https://github.com/mozilla/PollBot"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-08T02:45:29.042251800Z"}}