WordPress Gallery Plugin – NextGEN Gallery <= 3.38 - Authenticated (Admin+) PHAR Deserialization

7.2
Deserialization of Untrusted Data
CVE CVE-2023-3154
CVSS 7.2 (High)
Publicly Published September 25, 2023
Last Updated January 22, 2024
Researcher Linwz - DEVCORE

Description

The WordPress Gallery Plugin – NextGEN Gallery plugin for WordPress is vulnerable to PHAR Deserialization in all versions up to, and including, 3.38 via deserialization of untrusted input in the gallery_edit function. This makes it possible for authenticated attackers, with administrative-level access and above, 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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Vulnerability Details for Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery

Software Type Plugin
Software Slug nextgen-gallery (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.39, or a newer patched version
Affected Version
  • <= 3.38
Patched Version
  • 3.39

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