Security Advisory

CVE-2017-20207

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-10-18 03:33:24

Last updated 2026-04-08 17:17:08

Assigner Wordfence

CVSS score 9.8

State PUBLISHED

Description

The Flickr Gallery plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.5.2 via deserialization of untrusted input from the `pager ` parameter. This allows unauthenticated attackers to inject a PHP Object. Attackers were actively exploiting this vulnerability with the WP_Theme() class to create backdoors.

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