CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
What the vulnerability does
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in prasadkirpekar Advanced Custom CSS advanced-custom-css allows Reflected XSS.This issue affects Advanced Custom CSS: from n/a through <= 1.1.0.
Explanation of Vulnerability in Simple Terms
Advanced Custom CSS versions 1.1.0 and earlier contain a cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in the browsers of site visitors or administrators. The vulnerability requires user interaction—typically clicking a malicious link—and can affect multiple users across the site. Updating to a version newer than 1.1.0 is required to resolve this issue.
What an attacker can do
Inject malicious JavaScript that runs in visitors' browsers, stealing cookies, session tokens, or performing actions on their behalf.
Potential impact on your site
Visitors and admins can be compromised without their knowledge; attackers may steal credentials, deface content, or redirect users to phishing sites.
Conditions required to exploit
No authentication required. Victim must click a malicious link or visit an attacker-controlled page that triggers the vulnerability.
Key dates
External resources
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