Authentication Bypass Using an Alternate Path or Channel vulnerability in WPExperts Post SMTP allows Authentication Bypass.This issue affects Post SMTP: from n/a through 3.2.0.
https://latesthackingnews.com/2025/08/04/post-smtp-plugin-flaw-risked-400k-wordpress-sites-to-hijacking/
https://www.bitdefender.com/en-us/blog/hotforsecurity/40-000-wordpress-websites-at-risk-of-being-hijacked-due-to-vulnerable-post-smtp-plugin
https://www.bitdefender.com/en-us/blog/hotforsecurity/200-000-wordpress-websites-at-risk-of-being-hijacked-due-to-vulnerable-post-smtp-plugin
https://www.securityweek.com/flaw-allowing-website-takeover-found-in-wordpress-plugin-with-400k-installations/
https://securityaffairs.com/180484/security/critical-wordpress-post-smtp-plugin-flaw-exposes-200k-sites-to-full-takeover.html
https://www.bleepingcomputer.com/news/security/post-smtp-plugin-flaw-exposes-200k-wordpress-sites-to-hijacking-attacks/
https://patchstack.com/database/wordpress/plugin/post-smtp/vulnerability/wordpress-post-smtp-3-2-0-privilege-escalation-vulnerability?_s_id=cve
Source: Mitre, NVD
Published: 2025-08-07
Updated: 2025-08-07
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00073