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 Katz Web Services, Inc. Contact Form 7 Newsletter allows Reflected XSS.This issue affects Contact Form 7 Newsletter: from n/a through 2.2.
Explanation of Vulnerability in Simple Terms
Contact Form 7 Newsletter versions 2.2 and earlier 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 affects the plugin's handling of user input without proper sanitization.
What an attacker can do
Inject and execute malicious JavaScript in visitors' browsers via a crafted link.
Potential impact on your site
Visitors' sessions and credentials can be compromised; site content can be altered or defaced for affected users.
Conditions required to exploit
A site visitor must click an attacker-controlled link while logged into or visiting the affected site.
Key dates
External resources
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