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WordPress security problems in week 35 of 2026

New security problems in WordPress plugins, themes and WordPress itself, first reported from 24 August to 30 August 2026, in plain words.

Updated

In short

That week: 289 new problems in 204 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

LiteSpeed Cache plugin

  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 7.9.
  • This week Someone with an author account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 7.8.

All-in-One WP Migration and Backup plugin

  • This week A stranger could run their own code on your site and take it over. Fixed in version 7.110.

Rank Math SEO plugin

  • This week Someone could do things on your site they should not be allowed to. Fixed in version 1.0.277.
  • This week Someone with an author account on your site could run their own code on your site and take it over. Fixed in version 1.0.277.

UpdraftPlus: WP Backup & Migration Plugin plugin

  • This week Someone could trick a logged-in admin into changing settings without knowing. Fixed in version 1.26.7.

Essential Addons for Elementor plugin

  • This week A stranger could use it to harm your site. Fixed in version 6.8.1.

WP Fastest Cache plugin

  • This week A stranger could use it to harm your site. Fixed in version 1.5.1.
  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 1.5.1.
  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 1.5.1.

Security Optimizer plugin

  • This week Someone could take over your site as an admin. Fixed in version 1.6.7.

ManageWP Worker plugin

  • This week Someone could take over your site as an admin. Fixed in version 4.9.37.

Smush – Image Optimization, Compression, Lazy Load, WebP & CDN plugin

  • This week Someone who already has an admin account could run their own code on your site and take it over. Fixed in version 4.3.2.
  • This week A stranger could slow down or crash your site. Fixed in version 4.3.0.

WPvivid — Backup, Migration & Staging plugin

  • This week Someone who already has an admin account could run their own code on your site and take it over. Fixed in version 0.9.133.

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.

The Events Calendar plugin

  • This week A stranger could in some setups, take over your site. Fixed in version 6.17.3.

Forminator Forms plugin

  • This week A stranger could take over your site as an admin. Fixed in version 1.57.1.
  • This week Someone could take over your site as an admin. Fixed in version 1.57.0.7.
  • This week A stranger could use it to harm your site. Fixed in version 1.57.2.
  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 1.57.0.2.
  • This week Someone who already has an admin account could run their own code on your site and take it over. Fixed in version 1.57.0.5.
  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 1.57.0.3.
  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 1.57.0.1.

Royal Addons for Elementor plugin

  • This week Someone could do things on your site they should not be allowed to. Fixed in version 1.7.1066.
  • This week Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 1.7.1066.
  • This week A stranger could use it to harm your site. Fixed in version 1.7.1066.

MetForm – Contact Form, Survey, Quiz, Conditional Forms, Form Templates & Custom Form Builder 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 4.1.9.

Kirki – Freeform Page Builder, Website Builder & Customizer plugin

  • This week Someone could do things on your site they should not be allowed to. Fixed in version 6.0.14.
  • This week A stranger could run their own code on your site and take it over. Fixed in version 6.2.1.

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 3.3.4.
  • This week A stranger could take over your site as an admin. Fixed in version 3.3.2.
  • 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 3.3.
  • This week A stranger could take over your site as an admin. Fixed in version 3.3.3.

Breeze Cache plugin

  • This week A stranger could read or delete private files on your server. Fixed in version 2.5.13.

Post SMTP plugin

  • 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 4.0.1.

Duplicate Post plugin

  • This week Someone could do things on your site they should not be allowed to. Fixed in version 1.5.6.
  • This week Someone could do things on your site they should not be allowed to. Fixed in version 1.5.6.

Formidable Forms plugin

  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 6.34.

CMP – Coming Soon & Maintenance Plugin by NiteoThemes plugin

  • This week Someone with an editor account on your site could take over your site as an admin. Fixed in version 4.1.18.
  • This week A stranger could do things on your site they should not be allowed to. Fixed in version 4.1.18.
  • This week Someone with an editor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 4.1.18.

JetBackup – Backup, Restore & Migrate plugin

  • This week Someone could use it to harm your site. Fixed in version 3.1.23.5.

Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin

  • This week A stranger could plant harmful code that runs for your visitors or admins. Fixed in version 4.2.11.

MW WP Form plugin

  • This week Someone with an editor account on your site could plant harmful code that runs for your visitors or admins. Fixed in version 5.1.6.
  • This week A stranger could use it to harm your site. Fixed in version 5.1.5.

And 179 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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