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 Copyscape Copyscape Premium copyscape-premium allows Stored XSS.This issue affects Copyscape Premium: from n/a through <= 1.3.9.
Explanation of Vulnerability in Simple Terms
Copyscape Premium versions up to 1.3.9 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link that, when clicked by a site visitor, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability requires user interaction and affects the scope beyond the vulnerable component.
What an attacker can do
Inject and execute malicious JavaScript in a visitor's browser to steal credentials or hijack sessions.
Potential impact on your site
Visitors to your site could have their sessions hijacked or credentials stolen if they click attacker-controlled links.
Conditions required to exploit
Attacker must trick a site visitor into clicking a malicious link (user interaction required); no authentication needed.
Key dates
External resources
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