{"schemaVersion":3,"id":"CVE-2022-0637","aliases":["GHSA-vg27-hr3v-3cqv","PYSEC-2026-738"],"status":"published","duplicateOf":null,"title":null,"description":"open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6","dates":{"published":"2023-02-16T00:00:00.000Z","modified":"2025-03-19T14:53:11.104Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.1,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","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","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Pypi","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","exploitability":7.2,"impact":4.5,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","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","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00429,"percentile":0.35838,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00429},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00429,"percentile":0.35838}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00429,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00429,"percentile":0.35838}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-601","name":"URL Redirection to Untrusted Site ('Open Redirect')","description":"The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"Low","url":"https://cwe.mitre.org/data/definitions/601.html"}],"affected":[{"vendor":"mozilla","product":"pollbot","name":"pollbot","label":"pollbot","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.4.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.4.6","eol":null,"hubHref":"/vendor/mozilla/pollbot"},{"vendor":"PyPI","product":"pollbot","name":"pollbot","label":"pollbot","ecosystem":"PyPI","cpePart":null,"purl":"pkg:pypi/pollbot","purlType":"pypi","versions":[{"text":"< 1.4.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.4.6","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1753838","label":"bugzilla.mozilla.org/show_bug.cgi?id=1753838","hostname":"bugzilla.mozilla.org","tags":["WEB"]},{"url":"https://github.com/mozilla/PollBot/security/advisories/GHSA-vg27-hr3v-3cqv","label":"github.com/mozilla/PollBot/security/advisories/GHSA-vg27-hr3v-3cqv","hostname":"github.com","tags":["WEB"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0637","label":"nvd.nist.gov/vuln/detail/CVE-2022-0637","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/mozilla/PollBot/pull/360","label":"github.com/mozilla/PollBot/pull/360","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/mozilla/PollBot/commit/e39d8bec2df582ba525bb2e2f33c3ebc584d7ff8","label":"github.com/mozilla/PollBot/commit/e39d8bec2df582ba525bb2e2f33c3ebc584d7ff8","hostname":"github.com","tags":["WEB"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2022-0637","label":"bugzilla.mozilla.org/show_bug.cgi?id=CVE-2022-0637","hostname":"bugzilla.mozilla.org","tags":["WEB"]},{"url":"https://github.com/mozilla/PollBot","label":"github.com/mozilla/PollBot","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://pypi.org/project/pollbot","label":"pypi.org/project/pollbot","hostname":"pypi.org","tags":["PACKAGE"]},{"url":"https://github.com/advisories/GHSA-vg27-hr3v-3cqv","label":"github.com/advisories/GHSA-vg27-hr3v-3cqv","hostname":"github.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-02-16T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-03-19T14:53:11.104Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":24,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T18:15:24.938Z","stale":false,"partial":false}}