WordPress before 5.2.4 is vulnerable to poisoning of the cache of JSON GET requests because certain requests lack a Vary: Origin header.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Wordpress | Wordpress | * | 5.2.4 (excluding) |
| Wordpress | Ubuntu | bionic | * |
| Wordpress | Ubuntu | disco | * |
| Wordpress | Ubuntu | eoan | * |
| Wordpress | Ubuntu | trusty | * |
| Wordpress | Ubuntu | upstream | * |
| Wordpress | Ubuntu | xenial | * |