CVE-2026-0718
MEDIUM WAF: Low
CVSS 5.3
Published: 2026-04-16
CWE-862
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.
WAF Coverage Analysis
Missing Authorization
Low WAF Coverage
OWASP: A01:2021 Broken Access Control