CVE-2026-0561
Reflected XSS in Shield Security WordPress Plugin Allows Script Injection
Publication date: 2026-02-19
Last updated on: 2026-02-19
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordfence | shield_security | to 21.0.8 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
The Shield Security plugin for WordPress has a vulnerability known as Reflected Cross-Site Scripting (XSS) in the 'message' parameter. This occurs because the plugin does not properly sanitize or escape input and output in all versions up to and including 21.0.8. As a result, an attacker who is not authenticated can inject malicious web scripts into pages. These scripts execute if a user is tricked into performing an action, such as clicking on a specially crafted link.
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute arbitrary scripts in the context of the affected website. This can lead to unauthorized actions such as stealing user session information, redirecting users to malicious sites, or performing actions on behalf of the user without their consent. Since the attack requires user interaction, it can be used to trick users into compromising their own security.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know