The Yoast notification message type was not properly escaped against XSS attack.
This vulnerability affects the following application versions:
- Yoast SEO 1.5.3
- Yoast SEO 1.5.3.1
- Yoast SEO 1.5.3.2
- Yoast SEO 1.5.3.3
- Yoast SEO 1.5.4
- Yoast SEO 1.5.4.1
- Yoast SEO 1.5.4.2
- Yoast SEO 1.5.5
- Yoast SEO 1.5.5.1
- Yoast SEO 1.5.5.2
- Yoast SEO 1.5.5.3
- Yoast SEO 1.5.6
- Yoast SEO 1.6
- Yoast SEO 1.6.1
- Yoast SEO 1.6.2
- Yoast SEO 1.6.3
- Yoast SEO 1.7
- Yoast SEO 1.7.1