Arbitrary Option Update Vulnerability in Gallery Blocks with Lightbox WordPress Plugin

Arbitrary Option Update Vulnerability in Gallery Blocks with Lightbox WordPress Plugin

CVE-2023-0441 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

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.

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