Vulnerability · Published May 30, 2024 · Assigned by Wordfence
CVE-2024-5326Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX <= 4.1.2 - Missing Authorization to Arbitrary Options Update
High 8.8
In plain English
A high-severity missing authorization in Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX from wpxpo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| wpxpo | Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX | 0 – through 4.1.2 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/07a3db33-3787-4b63-835d-8e3026206842?source=cve
- https://plugins.trac.wordpress.org/browser/ultimate-post/trunk/classes/Styles.php#L160
- https://plugins.trac.wordpress.org/browser/ultimate-post/trunk/classes/Styles.php#L177
- https://plugins.trac.wordpress.org/changeset/3093815/