Auth bypass in Gallerycreator Mixed Media Gallery Blocks

CVE-2025-14288

The Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery plugin for WordPress is vulnerable to unauthorized modification of plugin settings in all versions up to, and including, 3.3.0. This is due to the plugin using the `edit_posts` capability check instead of `manage_options` for the `update_option` action type in the `pgc_sgb_action_wizard` AJAX handler. This makes it possible for authenticated attackers, with Contributor-level access and above, to modify arbitrary plugin settings prefixed with `pgc_sgb_*`.

Vulnerability class: Broken Access Control

EPSS: 0.002 (9.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-14288?
CVE-2025-14288 is a medium-severity vulnerability in Gallerycreator Mixed Media Gallery Blocks, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-12-13.
How severe is CVE-2025-14288?
Medium severity. CVSS v3 base score is 4.3 out of 10.