CVE-2017-20207 (GCVE-0-2017-20207)
Vulnerability from cvelistv5
Published
2025-10-18 03:33
Modified
2025-10-20 15:17
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-502 - Deserialization of Untrusted Data
Summary
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.
References
Impacted products
Vendor Product Version
Dan Coulter Flickr Gallery Version: *   ≤
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