CVE-2024-10728
Published: 16 November 2024
Summary
CVE-2024-10728 is a high-severity Missing Authorization (CWE-862) vulnerability in Wpxpo Postx. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 1.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX for WordPress is affected by an authorization bypass vulnerability in all versions through 4.1.16. The root cause is a missing capability check in the install_required_plugin_callback function, which permits plugin installation and activation without verifying that the caller holds administrative privileges.
Authenticated attackers holding Subscriber or higher roles can invoke the function to install and activate arbitrary plugins. Successful exploitation can be chained with other vulnerable plugins to obtain remote code execution on the underlying WordPress site.
Public references, including the plugin’s own changeset and Wordfence advisory, indicate that the flaw was addressed by adding proper capability checks in a subsequent release. The EPSS score has reached 0.7607 with no reported material rise after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-33453
Vulnerability details
The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized plugin installation/activation due to a missing capability check on the 'install_required_plugin_callback' function in all versions up to, and including, 4.1.16. This makes…
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it possible for authenticated attackers, with Subscriber-level access and above, to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring an access control policy ensures authorization checks are defined and applied for critical functions.
Reviews of access controls detect missing authorization checks on critical functions or resources.
Documenting permitted unauthenticated actions prevents missing authorization by making all exceptions explicit and subject to organizational review.
Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.
Mandating authorization prior to allowing remote connections addresses missing authorization for remote access.
Mandating authorization before wireless connections are allowed prevents missing authorization for wireless access.
The control requires authorization before allowing mobile device connections, directly mitigating missing authorization for system access.
Requiring approvals for account creation and specifying authorizations ensures authorization is not missing for system access.