CVE-2026-7566
MediumCVSS 6.6Exploitation Probability (EPSS)
Low risk37th percentile - higher than 37% of all known CVEs
Summary
The LearnPress – Backup & Migration Tool plugin for WordPress up to version 4.1.4 is vulnerable to PHP object injection via deserialization of untrusted input. Exploitation requires administrator access and a POP chain in another installed plugin or theme.
Risk Assessment
If a suitable POP chain exists, an attacker can delete files, extract data, or execute code.
Recommendation
Update the plugin to the latest version and remove unnecessary plugins/themes that may contain POP chains.
Other vulnerabilities in LearnPress – Backup & Migration Tool
Original NVD description (English source)
The LearnPress – Backup & Migration Tool plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 4.1.4 via deserialization of untrusted input . This makes it possible for authenticated attackers, with administrator-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS