Cross-site scripting vulnerability in Simple Custom CSS and JS prior to version 3.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
https://wpvulndb.com/vulnerabilities/8879
https://wordpress.org/plugins/custom-css-js/#developers
https://plugins.trac.wordpress.org/changeset/1695440/#file6
https://jvn.jp/en/jp/JVN31459091/index.html
Source: Mitre, NVD
Published: 2017-08-02
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00576