CVE-2019-11886

HIGH EXPLOITED NUCLEI

WaspThemes Visual CSS Style Editor <7.2.1 - CSRF

Title source: llm

Exploitation Summary

CVE-2019-11886 has been observed exploited in the wild (reported by VulnCheck KEV). A Nuclei detection template is also available.

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.

Nuclei Templates (1)

Yellow Pencil Visual Theme Customizer < 7.2.1 - Privilege Escalation

HIGHVERIFIEDby daffainfo

FOFA: body="wp-content/plugins/yellow-pencil-visual-theme-customizer/" && body="wp-"

References (4)

Core 4

Core References

Third Party Advisory x_refsource_misc

https://wpvulndb.com/vulnerabilities/9256

Release Notes, Third Party Advisory x_refsource_misc

https://wordpress.org/plugins/yellow-pencil-visual-theme-customizer/#developers

Exploit, Third Party Advisory x_refsource_misc

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

Various Sources x_refsource_misc

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/

Scores

CVSS v3 8.8

EPSS 0.0189

EPSS Percentile 76.8%

Attack Vector NETWORK

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

Details

VulnCheck KEV 2019-04-11

CWE

CWE-352

Status published

Products (1)

yellowpencil/visual_css_style_editor < 7.2.1

Published May 13, 2019

Tracked Since Feb 18, 2026