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CVE-2026-0718

MEDIUM 5.3 CVSS 3.1
Published
April 16, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • wpxpo Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX — Up to and including 5.0.5

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old_path=/ultimate-post/tags/5.0.5/classes/Blocks.php&new_path=/ultimate-post/tags/5.0.6/classes/Blocks.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/c4b2cf3b-5d35-4ce6-9453-1538a6f7752f?source=cve
  • nvd.nist.gov Official NVD record