The sitemap builder was not properly escaped against XSS.
This vulnerability affects the following application versions:
- Jetpack 4.8
- Jetpack 4.8.1
- Jetpack 4.8.2
- Jetpack 4.8.3
- Jetpack 4.8.4
- Jetpack 4.8.5
- Jetpack 4.9
- Jetpack 4.9.1
- Jetpack 4.9.2
- Jetpack 4.9.3
- Jetpack 4.9-pressable