CVE-2024-3412
Published: 29 May 2024
Summary
CVE-2024-3412 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Wordpress (inferred from references). Its CVSS base score is 9.1 (Critical).
Operationally, ranked in the top 7.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The WP STAGING WordPress Backup Plugin – Migration Backup Restore plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the wpstg_processing AJAX action. This affects all versions up to and including 3.4.3 and is tracked as CWE-434 with a CVSS 3.1 score of 9.1.
Authenticated attackers with administrator-level access or higher can exploit the flaw to upload arbitrary files to the server, which may enable remote code execution on the affected site. The vulnerability is exploitable over the network without user interaction.
References point to WordPress plugin repository changesets addressing the issue in Framework/Network/AjaxBackupDownloader.php along with Wordfence threat intelligence entries that detail the affected component and versions. Site administrators should update the plugin beyond version 3.4.3 to apply the fix.
EPSS scores remain low with a current value of 0.0896 and a peak of 0.0919, indicating limited observed exploitation interest to date.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-32000
Vulnerability details
The WP STAGING WordPress Backup Plugin – Migration Backup Restore plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the wpstg_processing AJAX action in all versions up to, and including, 3.4.3. This makes…
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it possible for authenticated attackers, with administrator-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
- 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 identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.
Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.
Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.
Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.