Ad Inserter <= 2.7.25 - Authenticated (Admin+) PHP Object Injection

7.2
Deserialization of Untrusted Data
CVE CVE-2023-1549
CVSS 7.2 (High)
Publicly Published April 19, 2023
Last Updated April 25, 2023
Researcher Nguyen Huu Do

Description

The Ad Inserter plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.7.25 via deserialization of untrusted input from the $exported_settings variable when importing settings. This allows authenticated attackers, with administrative privileges, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

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1 affected software package

Software Type Plugin
Software Slug ad-inserter (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.7.26, or a newer patched version
Affected Version
  • <= 2.7.25
Patched Version
  • 2.7.26

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