Vulnerability Database

319,478

Total vulnerabilities in the database

CVE-2017-20207

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.

  • Published: Oct 18, 2025
  • Updated: Nov 9, 2025
  • CVE: CVE-2017-20207
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWEs:

OWASP TOP 10:

Software From Fixed in
dancoulter / flickr_gallery - 1.5.2.x