CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
What the vulnerability does
The Wise Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the X-Forwarded-For header in all versions up to, and including, 3.3.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
Wise Chat versions 3.3.4 and earlier contain a cross-site scripting (XSS) vulnerability that allows unauthenticated attackers to inject malicious scripts into the application. The vulnerability can affect multiple users and compromise both confidentiality and integrity of data. No user interaction is required for exploitation.
What an attacker can do
Inject malicious JavaScript that executes in other users' browsers and steals or modifies their data.
Potential impact on your site
Attackers can steal user sessions, deface content, or redirect visitors to malicious sites without requiring victims to click anything.
Conditions required to exploit
Network access to the Wise Chat application; no authentication or user interaction required.
Key dates
External resources
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