The GetResponse for WordPress plugin through 5.5.31 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Getresponse | Getresponse | * | 5.5.31 (excluding) |