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.

INFO

Published Date :

2025-10-18T03:33:24.941Z

Last Modified :

2026-04-08T17:17:08.314Z

Source :

Wordfence
AFFECTED PRODUCTS

The following products are affected by CVE-2017-20207 vulnerability.

Vendors Products
Dan Coulter
  • Flickr Gallery
Dancoulter
  • Flickr Gallery
Wordpress
  • Wordpress
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2017-20207.

URL Resource
https://plugins.trac.wordpress.org/changeset/1737576/flickr-gallery cve-icon cve-icon
https://www.wordfence.com/blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/ cve-icon cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/b52ae51d-7b9a-4047-82bf-723ea87d2375?source=cve cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact