CVE-2017-20207 (GCVE-0-2017-20207)

Vulnerability from cvelistv5 – Published: 2025-10-18 03:33 – Updated: 2026-04-08 17:17
VLAI
Title
Flickr Gallery <= 1.5.2 - Unauthenticated PHP Object Injection
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.
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
Assigner
References
Impacted products
Vendor Product Version
Dan Coulter Flickr Gallery Affected: 0 , < 1.5.3 (semver)
Create a notification for this product.
Credits
Matt Barry
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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