Vulnerability · Published Mar 27, 2023 · Assigned by WPScan

CVE-2023-0441Gallery Blocks with Lightbox < 3.0.8 - Subscriber+ Arbitrary Options Update

High 8.1

In plain English

A high-severity security flaw in Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.7%top 45.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Unknown	Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery	0 – before 3.0.8

References

https://wpscan.com/vulnerability/11703e49-c042-4eb6-9a5f-6e006e3725a0 exploit, vdb-entry, technical-description