{"schemaVersion":3,"id":"CVE-2021-27909","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"For Mautic versions prior to 3.3.4/4.0.0, there is an XSS vulnerability on Mautic's password reset page where a vulnerable parameter, \"bundle,\" in the URL could allow an attacker to execute Javascript code. The attacker would be required to convince or trick the target into clicking a password reset URL with the vulnerable parameter utilized.","dates":{"published":"2021-08-30T16:00:10.951Z","modified":"2024-09-16T20:52:58.796Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.3,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","exploitability":null,"impact":null,"computed":false},{"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},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.04067,"percentile":0.90561,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.04067},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04067,"percentile":0.90561}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04067,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04067,"percentile":0.90561}]},"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-79","name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/79.html"}],"affected":[{"vendor":"acquia","product":"mautic","name":"mautic","label":"mautic","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 3.3.4","noFixRecorded":false,"fixedIn":null},{"text":"4.0.0:alpha1","noFixRecorded":false,"fixedIn":null},{"text":"4.0.0:beta","noFixRecorded":false,"fixedIn":null},{"text":"4.0.0:rc","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.3.4 | 4.0.0:alpha1 | 4.0.0:beta | 4.0.0:rc","eol":{"isEol":true,"eolDate":"2021-11-29T00:00:00.000Z","matchMethod":"name_exact","cycle":{"name":"4.0","label":"4.0","eolFrom":"2021-11-29T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"4.0.2"},"product":{"name":"mautic","label":"Mautic","category":"server-app"}},"hubHref":"/vendor/acquia/mautic"},{"vendor":"mautic","product":"mautic","name":"mautic","label":"mautic","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, < 3.3.4","noFixRecorded":false,"fixedIn":null},{"text":"≥ unspecified, < 4.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, < 3.3.4 | ≥ unspecified, < 4.0.0","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"mautic","label":"Mautic","category":"server-app"}},"hubHref":"/vendor/mautic/mautic"}],"affectedCount":2,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://github.com/mautic/mautic/security/advisories/GHSA-32hw-3pvh-vcvc","label":"github.com/mautic/mautic/security/advisories/GHSA-32hw-3pvh-vcvc","hostname":"github.com","tags":["X Refsource MISC","Patch","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-08-30T16:00:10.951Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T20:52:58.796Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T07:13:53.734Z","stale":false,"partial":false}}