Description

WordPress Plugin Blog2Social:Social Media Auto Post & Scheduler is prone to a vulnerability that lets remote attackers inject and execute arbitrary code because the application fails to sanitize user-supplied input before being passed to the unserialize() PHP function. Attackers can possibly exploit this issue to execute arbitrary PHP code within the context of the affected webserver process. WordPress Plugin Blog2Social:Social Media Auto Post & Scheduler version 5.7.0 is vulnerable.

Remediation

Update to plugin version 5.7.1 or latest

References

https://www.pluginvulnerabilities.com/2019/08/28/our-proactive-monitoring-caught-an-authenticated-php-object-injection-vulnerability-being-introduced-in-to-blog2social-social-media-auto-post-scheduler/

https://plugins.trac.wordpress.org/changeset?old_path=%2Fblog2social&old=2147861&new_path=%2Fblog2social&new=2146422&sfp_email=&sfph_mail=

Related Vulnerabilities

Apache HTTP Server Improper Authentication Vulnerability (CVE-2018-1312)

Oracle Application Server CVE-2008-3977 Vulnerability (CVE-2008-3977)

PHP Double Free Vulnerability (CVE-2016-5772)

PHP Numeric Errors Vulnerability (CVE-2007-2872)

WordPress Plugin OAuth Single Sign On-SSO (OAuth Client) Multiple Cross-Site Request Forgery Vulnerabilities (6.24.1)

Severity

High

Classification

CWE-915 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Tags

Missing Update