Over 200,000 web sites working a weak model of a well-liked WordPress plugin may very well be vulnerable to being hijacked by hackers.
The Publish SMTP plugin is an add-on utilized by roughly 400,000 WordPress-powered web sites to enhance the reliability and safety of their electronic mail supply. The plugin has confirmed standard partly due to its advertising and marketing that presents it as a extra dependable and full-featured alternative to the default electronic mail performance constructed into WordPress.
In accordance with a report by Patchstack, an moral hacker responsibly disclosed a severe vulnerability within the Publish SMTP plugin.
The flaw allowed web site customers who ought to solely have low privileges, reminiscent of Subscribers, to intercept any electronic mail despatched by the WordPress web site, together with password reset emails to any person. Utilizing this data, a low-privileged person would be capable of seize management of an Administrator-level account, resulting in a full web site takeover.
Saad Iqbal of WPExperts, the developer of the plugin, took the report severely and supplied a possible patch inside three days which was confirmed to resolve the vulnerability – which had been given the identify CVE-2025-24000.
On June 11, Iqbal launched model 3.3.0 of the Publish SMTP plugin, which included the patch for the flaw.
You may assume this can be a joyful finish to the story – nevertheless it’s not.
You see, the issue is that based on WordPress.org, solely 49.1% of the plugin’s 400,000+ energetic installations have up to date themselves to the mounted model 3.3.0.

As Bleeping Laptop stories, a worrying 24.2% of websites (virtually 100,000) are nonetheless working Publish SMTP model 2.x..x – which leaves them open to much more identified vulnerabilities and safety flaws.
So, what are you able to do?
Effectively, first issues first. In case you administer a WordPress web site, replace its plugins.
Any out-of-date plugins may be up to date by visiting your wp-admin dashboard inside WordPress. You’ll be able to even, if you’re snug, set WordPress plugins to mechanically replace when new variations turn into accessible.
Moreover, ask your self what you might be doing to harden your web site and WordPress set up? For example, are you limiting entry to your web site’s admin interface to particular IP addresses? Do you may have multi-factor authentication in place? Have you ever checked out what plugins and themes you may have put in in your web site, and eliminated any which can be now not required?
Patching is clearly smart and ought to be undertaken on the earliest alternative, however always remember that further layers of safety can transcend patches – and maybe be extra proactive in defending your programs from assault.