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Status published
High
CVE-2025-23578
WordPress Custom CSS Addons plugin <= 1.9.1 - Reflected Cross Site Scripting (XSS) vulnerability
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bastien Ho Custom CSS Addons css-addons allows Reflected XSS.This issue affects Custom CSS Addons: from n/a through <= 1.9.1.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- SOPROBRO | Patchstack Bug Bounty Program
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Affected Vendor
Bastien Ho
View all reports →Affected Software
Custom CSS Addons
Vulnerable Versions:
0
Timeline
Official Publish:
January 22nd, 2025
Last Modified:
April 28th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L