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.
History

Mon, 20 Oct 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 20 Oct 2025 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Dan Coulter
Dan Coulter flickr Gallery
Wordpress
Wordpress wordpress
Vendors & Products Dan Coulter
Dan Coulter flickr Gallery
Wordpress
Wordpress wordpress

Sat, 18 Oct 2025 03:45:00 +0000

Type Values Removed Values Added
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.
Title Flickr Gallery <= 1.5.2 - Unauthenticated PHP Object Injection
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published: 2025-10-18T03:33:24.941Z

Updated: 2025-10-20T15:17:19.670Z

Reserved: 2025-10-17T15:00:40.646Z

Link: CVE-2017-20207

cve-icon Vulnrichment

Updated: 2025-10-20T15:17:15.285Z

cve-icon NVD

Status : Received

Published: 2025-10-18T04:15:58.753

Modified: 2025-10-18T04:15:58.753

Link: CVE-2017-20207

cve-icon Redhat

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