Betheme <= - Authenticated (Subscriber+) PHP Object Injection

Deserialization of Untrusted Data
CVE CVE-2022-3861
CVSS 8.8 (High)
Publicly Published November 18, 2022
Last Updated January 22, 2024
Researcher Julien Ahrens - RCE Security


The Betheme theme for WordPress is vulnerable to PHP Object Injection in versions up to, and including, via deserialization of untrusted input supplied via the import, mfn-items-import-page, and mfn-items-import parameters passed through the mfn_builder_import, mfn_builder_import_page, importdata, importsinglepage, and importfromclipboard functions. This makes it possible for authenticated attackers, with subscriber level permissions and above to inject a PHP Object. The additional presence of a POP chain would make it possible for attackers to execute code, retrieve sensitive data, delete files, etc..



Vulnerability Details for Betheme

Software Type Theme
Software Slug betheme
Patched? Yes
Remediation Update to version 26.6, or a newer patched version
Affected Version
  • <=
Patched Version
  • 26.6

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.