CVE-2019-11886 Information

Description

The WaspThemes Visual CSS Style Editor (aka yellow-pencil-visual-theme-customizer) plugin before 7.2.1 for WordPress allows yp_option_update CSRF as demonstrated by use of yp_remote_get to obtain admin access.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://wordpress.org/plugins/yellow-pencil-visual-theme-customizer/developers https://wpvulndb.com/vulnerabilities/9256 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/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8