| Package | Affected versions | Patched versions |
|---|---|---|
| viral signup | ≤ 2.1 |
The Viral Signup WordPress plugin through 2.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
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