{"id":"CVE-2019-11488","aliases":["EUVD-2019-3161","GHSA-hfhv-wm6q-v6xc"],"status":"published","title":"Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me Enterprise...","description":"Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me Enterprise before 2019-04-23 allows Unauthorized Attackers to READ/WRITE Customer or Administrator data via a persistent HTTP GET Request Hash Link Replay, as demonstrated by a login-link from the browser history.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0154,"percentile":0.75086,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2019-04-25T20:08:01Z","modified":"2026-06-17T02:13:00Z","products":[{"vendor":"simplybook","product":"simplybook"}],"references":[{"url":"https://cybrgrade.com/files/Report_SimplyBookIt_MD5_Hash_Replay_by_CybrGradeUKLtd.pdf","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://blog.cybrgrade.com/CVE-2019-11488-SimplyBook.me-hash-replay-attack/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11488"},{"url":"https://blog.cybrgrade.com/CVE-2019-11488-SimplyBook.me-hash-replay-attack"},{"url":"https://github.com/advisories/GHSA-hfhv-wm6q-v6xc"}],"sources":{"cve":[{"id":"CVE-2019-11488","description":"Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me Enterprise before 2019-04-23 allows Unauthorized Attackers to READ/WRITE Customer or Administrator data via a persistent HTTP GET Request Hash Link Replay, as demonstrated by a login-link from the browser history.","status":"published","published":"2019-04-25T20:08:01Z","modified":"2024-08-04T22:55:40.136Z","updated_at":"2026-11-02T14:20:26.416173Z"}],"euvd":[{"id":"EUVD-2019-3161","description":"Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me Enterprise before 2019-04-23 allows Unauthorized Attackers to READ/WRITE Customer or Administrator data via a persistent HTTP GET Request Hash Link Replay, as demonstrated by a login-link from the browser history.","status":"published","published":"2019-04-25T20:08:01Z","modified":"2024-08-04T22:55:40Z","updated_at":"2026-11-03T02:40:49.362838Z"}],"ghsa":[{"id":"GHSA-hfhv-wm6q-v6xc","title":"Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me Enterprise...","description":"Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me Enterprise before 2019-04-23 allows Unauthorized Attackers to READ/WRITE Customer or Administrator data via a persistent HTTP GET Request Hash Link Replay, as demonstrated by a login-link from the browser history.","status":"published","published":"2022-05-24T16:44:41Z","modified":"2024-04-11T21:19:01Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:57:09.764736Z"}],"nvd":[{"id":"CVE-2019-11488","description":"Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me Enterprise before 2019-04-23 allows Unauthorized Attackers to READ/WRITE Customer or Administrator data via a persistent HTTP GET Request Hash Link Replay, as demonstrated by a login-link from the browser history.","status":"published","published":"2019-04-25T21:29:00.463Z","modified":"2026-06-17T02:13:00.477Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:05:12.471695Z"}]}}