CVE-2024-43963: WordPress Visual CSS Style Editor plugin <= 7.6.1 - Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-08-29 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WaspThemes YellowPencil Visual CSS Style Editor allows Reflected XSS.This issue affects YellowPencil Visual CSS Style Editor: from n/a through 7.6.1.

Affected products

WaspThemes YellowPencil Visual CSS Style Editor: before 7.6.4 — fixed in 7.6.4

How to fix

Upgrade to a fixed version: WaspThemes YellowPencil Visual CSS Style Editor 7.6.4. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/yellow-pencil-visual-theme-customizer/wordpress-visual-css-style-editor-plugin-7-6-1-cross-site-scripting-xss-vulnerability?_s_id=cve

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