CVE-2024-5326
Published: 30 May 2024
Summary
CVE-2024-5326 is a high-severity Missing Authorization (CWE-862) vulnerability in Wordpress (inferred from references). Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 2.0% 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 CVE-2024-5326, a missing capability check in the postx_presets_callback function present in all versions through 4.1.2. The flaw is tracked as CWE-862 and carries a CVSS 3.1 score of 8.8.
Authenticated users with Contributor or higher privileges can invoke the unprotected function to modify arbitrary site options. Successful exploitation allows an attacker to enable open user registration and assign the Administrator role to newly created accounts, resulting in full site takeover.
Public references point to a patched changeset in the plugin repository and to Wordfence advisory content that recommends immediate update to a fixed release. The EPSS score has remained flat at 0.5293 with no material upward movement after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-46552
Vulnerability details
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…
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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.
- 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.