CVE-2025-3774: Wise Chat <= 3.3.4 - Unauthenticated Stored Cross-Site Scripting via X-Forwarded-For Header
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-3774?
CVE-2025-3774 is classified as a high severity vulnerability due to its potential for Stored Cross-Site Scripting attacks.
How do I fix CVE-2025-3774?
To fix CVE-2025-3774, update the Wise Chat plugin to version 3.3.5 or higher where the vulnerability has been patched.
Who is affected by CVE-2025-3774?
CVE-2025-3774 affects all users of the Wise Chat plugin for WordPress versions up to and including 3.3.4.
What type of attack does CVE-2025-3774 allow?
CVE-2025-3774 allows unauthenticated attackers to execute Stored Cross-Site Scripting attacks via the X-Forwarded-For header.
Is authentication required to exploit CVE-2025-3774?
No, authentication is not required to exploit CVE-2025-3774, making it particularly dangerous.