The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Wp Simple Firewall Plugin | — | Update wp-simple-firewall plugin to version 17.0.18, or a newer patched version | May 15, 2025 | Apr 25, 2023 |
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