The Responsive Lightbox & Gallery WordPress plugin before 2.6.1 is vulnerable to an Unauthenticated Stored-XSS attack due to flawed regex replacement rules that can be abused by posting a comment with a malicious link when lightbox for comments are enabled and then approved.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Responsive Lightbox Plugin | — | Update responsive-lightbox plugin to version 2.6.1, or a newer patched version | Apr 30, 2026 | Feb 3, 2026 |
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