{"id":"CVE-2026-86837","aliases":["EUVD-2026-86621","GHSA-qqvg-v89g-fp38"],"status":"published","title":"Bookly \u003c 28.3 - Unauthenticated Customer PII Update via Verification Bypass","description":"The Bookly WordPress plugin before 28.3 does not properly verify a customer's identity before updating their stored details, allowing unauthenticated attackers who know a customer's primary identifier to overwrite that customer's stored personal information such as name, email and address.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00207,"percentile":0.10961,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-09-25T08:30:45Z","modified":"2026-09-25T15:31:41Z","products":[{"vendor":"bookly","product":"bookly"},{"vendor":"unknown","product":"bookly"}],"references":[{"url":"https://wpscan.com/vulnerability/5bfed7cf-5bf3-4a3b-a2b6-9f9d48f52fd5/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86837"},{"url":"https://wpscan.com/vulnerability/5bfed7cf-5bf3-4a3b-a2b6-9f9d48f52fd5"},{"url":"https://github.com/advisories/GHSA-qqvg-v89g-fp38"}],"sources":{"cve":[{"id":"CVE-2026-86837","title":"Bookly \u003c 28.3 - Unauthenticated Customer PII Update via Verification Bypass","description":"The Bookly WordPress plugin before 28.3 does not properly verify a customer's identity before updating their stored details, allowing unauthenticated attackers who know a customer's primary identifier to overwrite that customer's stored personal information such as name, email and address.","status":"published","published":"2026-09-25T08:30:45.552Z","modified":"2026-09-25T12:40:03.486Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:49:42.666099Z"}],"euvd":[{"id":"EUVD-2026-86621","description":"The Bookly WordPress plugin before 28.3 does not properly verify a customer's identity before updating their stored details, allowing unauthenticated attackers who know a customer's primary identifier to overwrite that customer's stored personal information such as name, email and address.","status":"published","published":"2026-09-25T08:30:45Z","modified":"2026-09-25T12:40:03Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:27:55.846756Z"}],"ghsa":[{"id":"GHSA-qqvg-v89g-fp38","title":"The Bookly WordPress plugin before 28.3 does not properly verify a customer's identity before...","description":"The Bookly WordPress plugin before 28.3 does not properly verify a customer's identity before updating their stored details, allowing unauthenticated attackers who know a customer's primary identifier to overwrite that customer's stored personal information such as name, email and address.","status":"published","published":"2026-09-25T09:31:09Z","modified":"2026-09-25T15:31:41Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:12:24.75064Z"}],"nvd":[{"id":"CVE-2026-86837","description":"The Bookly WordPress plugin before 28.3 does not properly verify a customer's identity before updating their stored details, allowing unauthenticated attackers who know a customer's primary identifier to overwrite that customer's stored personal information such as name, email and address.","status":"published","published":"2026-09-25T09:17:06.21Z","modified":"2026-09-25T13:25:16.167Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:51.388161Z"}]}}