Description

WordPress Plugin Visual CSS Style Editor is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently turn on user registration. WordPress Plugin Visual CSS Style Editor version 7.1.9 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 7.2.1 or latest

References

https://www.pluginvulnerabilities.com/2019/04/09/recently-closed-visual-css-style-editor-wordpress-plugin-contains-privilege-escalation-vulnerability-that-leads-to-option-update-vulnerability/

https://www.wordfence.com/blog/2019/04/zero-day-vulnerability-in-yellow-pencil-visual-theme-customizer-exploited-in-the-wild/

https://yellowpencil.waspthemes.com/docs/important-security-update/

Related Vulnerabilities

WordPress Plugin Contact Form by WPForms-Drag & Drop Form Builder for WordPress Cross-Site Scripting (1.5.8.2)

WordPress Plugin Rank Math SEO-Best SEO For WordPress To Increase Your SEO Traffic Server-Side Request Forgery (1.0.95)

OpenSSL Out-of-bounds Write Vulnerability (CVE-2017-3737)

Jboss EAP Other Vulnerability (CVE-2019-9513)

WordPress Plugin Affiliates Multiple Cross-Site Scripting Vulnerabilities (2.13.1)

Severity

High

Classification

CVE-2019-11886 CWE-264 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass