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OpenAdvisories
High · 8.8 Public exploit CVE-2024-5326 EUVD-2024-46552

Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX <= 4.1.2 - Missing Authorization to Arbitrary Options Update

Published May 30, 2024 · Updated Apr 8, 2026 · Assigned by Wordfence

Vendor: wpxpo Product: Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX Category: Web / CMS

Description

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'postx_presets_callback' function in all versions up to, and including, 4.1.2. This makes it possible for authenticated attackers, with Contributor-level access and above, to change arbitrary options on affected sites. This can be used to enable new user registration and set the default role for new users to Administrator.

Affected products

VendorProductAffectedFixed
wpxpo Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX ≤ 4.1.2 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 2 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References