The gregs-high-performance-seo plugin before 1.6.2 for WordPress has XSS in the context of an old browser.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Link | Tags |
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https://wordpress.org/plugins/gregs-high-performance-seo/#developers | release notes |