CVE-2026-0718

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.

Score

CVSS 3.1 5.3 Medium

Status

Deferred - security@wordfence.com

Published

2026-04-16

Last modified

2026-04-16

Weaknesses

CWE-862

Affected products

• Blog Websites Postx (Wpxpo)
• Magazines (Wpxpo)
• Post Grid Gutenberg Blocks For News (Wpxpo)

References

• https://plugins.trac.wordpress.org/changeset?old_path=/ultimate-post/tags/5.0.5/classes/Blocks.php&new_path=/ultimate-p…
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c4b2cf3b-5d35-4ce6-9453-1538a6f7752f?source=cve