CVE-2025-23578: WordPress Custom CSS Addons plugin <= 1.9.1 - Reflected Cross Site Scripting (XSS) vulnerability

7.1 CVSS

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Custom CSS Addons allows Reflected XSS. This issue affects Custom CSS Addons: from n/a through 1.9.1.

Classification

CVE ID: CVE-2025-23578

CVSS Base Severity: HIGH

CVSS Base Score: 7.1

Affected Products

Vendor: NotFound

Product: Custom CSS Addons

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 11.71% (scored less or equal to compared to others)

EPSS Date: 2025-02-20 (when was this score calculated)

References

https://patchstack.com/database/wordpress/plugin/css-addons/vulnerability/wordpress-custom-css-addons-plugin-1-9-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Timeline