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

Fixed in 5.0.6

References

Classification

Type
NO AUTHORISATION
CWE

Miscellaneous

Original Researcher
Mohammad Amin Hajian (mamadrce)
Verified
No

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)

Other