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WordPress security problems in week 40 of 2026

New security problems in WordPress plugins, themes and WordPress itself, first reported from 28 September to 4 October 2026, in plain words.

Updated

In short

That week: 512 new problems in 382 plugins and themes; none are being attacked as far as we know.

Based on public reports. Check each plugin’s or theme’s changelog. Watchfox AI may be wrong.

Get an email when your site is affected: install Watchfox AI (free)

Other new problems

Astra theme

  • This week Someone with a shop manager account on your site could use it to harm your site. Fixed in version 4.14.0.

All in One SEO plugin

  • This week A stranger could use it to harm your site. Fixed in version 5.0.2.1.
  • This week A stranger could use it to harm your site. Fixed in version 5.0.2.1.
  • This week Someone could plant harmful code that runs for your visitors or admins. Fixed in version 5.0.2.

Essential Addons for Elementor plugin

  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 6.8.5.

ElementsKit Elementor Addons plugin

  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 4.0.7.
  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 4.0.7.

Loco Translate plugin

  • This week Someone could plant harmful code that runs for your visitors or admins. Fixed in version 2.8.9.
  • This week Someone could use it to harm your site. Fixed in version 2.8.9.

Hostinger Reach plugin

  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 1.8.3.

EWWW Image Optimizer plugin

  • This week Someone could plant harmful code that runs for your visitors or admins. Fixed in version 8.8.0.
  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 8.8.0.
  • This week Someone with an author account on your site could in some setups, take over your site. Fixed in version 8.8.0.
  • This week Someone who already has an admin account could use it to harm your site. Fixed in version 8.8.0.

Redux Framework plugin

  • This week Anyone with an account on your site, even a basic one could plant harmful code that runs for your visitors or admins. Fixed in version 4.5.15.
  • This week Anyone with an account on your site, even a basic one could do things on your site they should not be allowed to. Fixed in version 4.5.15.

Polylang plugin

  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 3.8.10.

W3 Total Cache plugin

  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 2.10.7.

Autoptimize plugin

  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 3.1.16.
  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 3.1.16.

Smart Slider 3 plugin

  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 3.5.1.39.

Fluent Forms plugin

  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 6.2.15.
  • This week Someone could do things on your site they should not be allowed to. Fixed in version 6.2.15.

The Events Calendar plugin

  • This week A stranger could in some setups, take over your site. Fixed in version 6.17.4.1.
  • This week Someone could do things on your site they should not be allowed to. Fixed in version 6.17.5.1.
  • This week A stranger could use it to harm your site. Fixed in version 6.17.5.1.

Premium Addons for Elementor plugin

  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 4.11.106.

Forminator Forms plugin

  • This week Someone could do things on your site they should not be allowed to. Fixed in version 1.57.3.
  • This week A stranger could use it to harm your site. Fixed in version 1.57.2.1.
  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 1.57.2.1.
  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 1.57.2.1.

Kadence Blocks plugin

  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 3.7.12.

MetForm – Contact Form, Survey, Quiz, Conditional Forms, Form Templates & Custom Form Builder for Elementor plugin

  • This week A stranger could use it to harm your site. Fixed in version 4.3.1.
  • This week A stranger could use it to harm your site. Fixed in version 4.3.1.
  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 4.3.1.
  • This week A stranger could use it to harm your site. Fixed in version 4.3.1.

WP Statistics plugin

  • This week Someone could plant harmful code that runs for your visitors or admins. Fixed in version 14.16.15.
  • This week Someone could plant harmful code that runs for your visitors or admins. Fixed in version 14.16.15.

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder plugin

  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 3.15.5.
  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 3.15.5.

Extendify plugin

  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 3.2.0.

Kirki – Freeform Page Builder, Website Builder & Customizer plugin

  • This week A stranger could run their own code on your site and take it over. Fixed in version 6.3.2.

Page Builder by SiteOrigin plugin

  • This week Someone with an editor account on your site could in some setups, take over your site. Fixed in version 2.36.1.

TranslatePress – Translate Multilingual sites with AI Translation plugin

  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 3.3.7.

SiteOrigin Widgets Bundle plugin

  • This week Someone with a contributor account on your site could read or delete private files on your server. Fixed in version 1.74.0.

And 357 more products with new problems. Search for yours on the full list. All plugins and themes

What to do

  1. Check whether your site uses any of the plugins or themes on this page.
  2. If it does, update them to the fixed version or newer. Start with the ones marked Today.
  3. If there is no fixed version yet, think about turning the plugin off or replacing it until a fix comes out.
  4. Not sure which versions you have? Watchfox AI checks them every day and emails you only when something needs fixing.

Earlier weeks

All plugins and themes

Get an email when your site is affected.

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