Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX <= 5.0.3 - Missing Authorization to Unauthenticated Sensitive Information Exposure

Missing Authorization

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

CVE	CVE-2025-12980
CVSS	High (7.5)
Publicly Published	December 20, 2025
Last Updated	December 21, 2025
Researcher	Marcin Dudek (dudekmar)

Description

The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the '/ultp/v2/get_dynamic_content/' REST API endpoint in all versions up to, and including, 5.0.3. This makes it possible for unauthenticated attackers to retrieve sensitive user metadata, including password hashes.

References

www.wordfence.com

1 affected software package

Software Type	Plugin
Software Slug	ultimate-post (view on wordpress.org)
Patched?	Yes
Affected Version	<= 5.0.3
Patched Version	5.0.4

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