CVE-2026-7622 ThumbPress <= 6.2.1 - Missing Authorization to Authenticated (Subscriber+) Plugin Deactivation
Authenticated subscribers can deactivate the ThumbPress plugin due to missing capability checks and nonce verification in the deactivation survey handler.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7622?
CVE-2026-7622 is a medium-severity missing authorization vulnerability in codexpert ThumbPress – Compress Images, Manage Thumbnails, Detect Image Issues, WebP/AVIF, Lazy Loading, Hotlinking & More, published on 22 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The ThumbPress plugin for WordPress is vulnerable to unauthorized access in versions up to and including 6.2.1. This is due to missing capability checks and nonce verification in the send_deactivation_survey() function registered via the wp_ajax_pl-plugin-deactivation AJAX action. This makes it possible for authenticated attackers, with Subscriber-level access and above, to deactivate the ThumbPress plugin on the affected site by sending a crafted POST request to admin-ajax.
Weakness: CWE-862
Which versions are affected by CVE-2026-7622?
How do I fix CVE-2026-7622?
No fix has been published for CVE-2026-7622 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-7622 being exploited?
There is no known exploitation of CVE-2026-7622 in the wild and no public exploit code.
Sources
Also known as GHSA-4r25-cpgx-8q2p.