WordPress Plugin Vulnerabilities
Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX < 5.0.6 - Missing Authorization to Limited Post Meta Modification
Description
The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the ultp_shareCount_callback() function in all versions up to, and including, 5.0.5. This makes it possible for unauthenticated attackers to modify the share_count post meta for any post, including private or draft posts.
Affects Plugins
References
Classification
Type
NO AUTHORISATION
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Mohammad Amin Hajian (mamadrce)
Verified
No
WPVDB ID
Timeline
Publicly Published
2026-04-15 (about 2 months ago)
Added
2026-04-15 (about 2 months ago)
Last Updated
2026-04-16 (about 2 months ago)