Description
The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of the SEO-specific description for posts provided by the plugin via unsafe placeholder replacement.
References
- https://wordpress.org/plugins/all-in-one-seo-pack/#developers
- https://semperplugins.com/all-in-one-seo-pack-changelog/
- https://github.com/semperfiwebdesign/all-in-one-seo-pack/issues/2888
- https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-04_WordPress_Plugin_All_in_One_SEO_Pack
- [oss-security] 20191016 [SBA-ADV-20190913-04] CVE-2019-16520: WordPress Plugin - All in One SEO Pack <= 3.2.6 - Stored XSS mailing-list
- https://wpvulndb.com/vulnerabilities/9915