{"id":"CVE-2025-12887","aliases":["EUVD-2025-200978","GHSA-wvg9-vc45-v9rf"],"status":"published","title":"Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP \u0026 Mobile App \u003c= 3.6.1 - Missing Authorization to Authenticated (Subscriber+) OAuth Token Update","description":"The Post SMTP plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.6.1. This is due to the plugin not properly verifying that a user is authorized to update OAuth tokens on the 'handle_gmail_oauth_redirect' function. This makes it possible for authenticated attackers, with subscriber level access and above, to inject invalid or attacker-controlled OAuth credentials. CVE-2025-67563 appears to be a duplicate of this issue.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00303,"percentile":0.23345,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2025-12-03T12:29:53Z","modified":"2026-10-18T17:10:00Z","products":[{"vendor":"saadiqbal","product":"post smtp – complete email deliverability and smtp solution with email logs, alerts, backup smtp \u0026 mobile app"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/5bd9f312-99e1-4dc2-855d-90339c2e24da?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3402203"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12887"},{"url":"https://github.com/advisories/GHSA-wvg9-vc45-v9rf"}],"sources":{"cve":[{"id":"CVE-2025-12887","title":"Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP \u0026 Mobile App \u003c= 3.6.1 - Missing Authorization to Authenticated (Subscriber+) OAuth Token Update","description":"The Post SMTP plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.6.1. This is due to the plugin not properly verifying that a user is authorized to update OAuth tokens on the 'handle_gmail_oauth_redirect' function. This makes it possible for authenticated attackers, with subscriber level access and above, to inject invalid or attacker-controlled OAuth credentials. CVE-2025-67563 appears to be a duplicate of this issue.","status":"published","published":"2025-12-03T12:29:53.626Z","modified":"2026-04-08T16:55:27.472Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:32:42.078906Z"}],"euvd":[{"id":"EUVD-2025-200978","description":"The Post SMTP plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.6.1. This is due to the plugin not properly verifying that a user is authorized to update OAuth tokens on the 'handle_gmail_oauth_redirect' function. This makes it possible for authenticated attackers, with subscriber level access and above, to inject invalid or attacker-controlled OAuth credentials. CVE-2025-67563 appears to be a duplicate of this issue.","status":"published","published":"2025-12-03T12:29:53Z","modified":"2026-04-08T16:55:27Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:24:57.466919Z"}],"ghsa":[{"id":"GHSA-wvg9-vc45-v9rf","title":"The Post SMTP plugin for WordPress is vulnerable to authorization bypass in all versions up to,...","description":"The Post SMTP plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.6.1. This is due to the plugin not properly verifying that a user is authorized to update OAuth tokens on the 'handle_gmail_oauth_redirect' function. This makes it possible for authenticated attackers, with subscriber level access and above, to inject invalid or attacker-controlled OAuth credentials.","status":"published","published":"2025-12-03T15:30:28Z","modified":"2025-12-03T15:30:36Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:05:01.323335Z"}],"nvd":[{"id":"CVE-2025-12887","description":"The Post SMTP plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.6.1. This is due to the plugin not properly verifying that a user is authorized to update OAuth tokens on the 'handle_gmail_oauth_redirect' function. This makes it possible for authenticated attackers, with subscriber level access and above, to inject invalid or attacker-controlled OAuth credentials. CVE-2025-67563 appears to be a duplicate of this issue.","status":"published","published":"2025-12-03T13:16:01.61Z","modified":"2026-10-18T17:10:00.11Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:11:47.746175Z"}]}}