CVE-2017-20207

Flickr Gallery <= 1.5.2 - Unauthenticated PHP Object Injection

CVSS 9.8 CRITICALEPSS 0.7%CWE-502

Vexday Risk Score

28Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 9.8EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

18 out 2025Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Produtos afetados

Dan Coulter · Flickr Gallery

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Referências

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