CVE-2023-0441 Gallery Blocks with Lightbox < 3.0.8 - Subscriber+ Arbitrary Options Update
Authenticated subscribers can update WordPress options via an unprotected AJAX endpoint, potentially enabling admin registration and privilege escalation.
- 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-2023-0441?
CVE-2023-0441 is a high-severity missing authorization vulnerability in Unknown Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery, published on 27 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Gallery Blocks with Lightbox WordPress plugin before 3.0.8 has an AJAX endpoint that can be accessed by any authenticated users, such as subscriber. The callback function allows numerous actions, the most serious one being reading and updating the WordPress options which could be used to enable registration with a default administrator user role.
Which versions are affected by CVE-2023-0441?
It affects 1 product.
Products include Simplygallery Simply Gallery Blocks With Lightbox.
How do I fix CVE-2023-0441?
No fix has been published for CVE-2023-0441 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-2023-0441 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0441 exists.
Other vulnerabilities in Unknown Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery
Sources
Also known as GHSA-pwfp-fm3h-8frv.