WordPress security changelog
MEDIUM CVE-2021-24934 Modified

Visual CSS Style Editor: Cross-site scripting

Visual CSS Style Editor is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 6.1 CVSS · contact@wpscan.com
NVD score 6.1 CVSS 3.1 · nvd@nist.gov
Component
Visual CSS Style Editor
Plugin slug
visual-css-style-editor
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Feb 01, 2022
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Feb 01, 2022 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update Visual CSS Style Editor to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Visual CSS Style Editor WordPress plugin before 7.5.4 does not sanitise and escape the wyp_page_type parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting issue

NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary and upstream sources