Released December 4, 2019
- **[Synopsis](release-notes/5.20.0.md#synopsis)**
+- **[Security advisories](release-notes/5.20.0.md#security)**
- **[Features](release-notes/5.20.0.md#features)**
- **[Bugs resolved](release-notes/5.20.0.md#bugs)**
- **[Miscellany](release-notes/5.20.0.md#misc)**
| **Introduce features?** | **yes** |
| **Fix bugs?** | **yes** |
+## <a name="security"></a>Security advisories
+
+- **[CIVI-SA-2019-24](https://civicrm.org/advisory/civi-sa-2019-24-csrf-in-apiv4-ajax-end-point): Cross-site request forgery in APIv4 AJAX endpoint**
+
## <a name="features"></a>Features
### Core CiviCRM