Seopress Security Vulnerabilities

CVE-2021-34641

The SEOPress WordPress plugin is vulnerable to Stored Cross-Site-Scripting via the processPut function found in the ~/src/Actions/Api/TitleDescriptionMeta.php file which allows authenticated attackers to inject arbitrary web scripts, in versions 5.0.0 - 5.0.3.

CVE-2023-1669

The SEOPress WordPress plugin before 6.5.0.3 unserializes user input provided via the settings, which could allow high-privilege users such as admin to perform PHP Object Injection when a suitable gadget is present.

CVE-2023-6290

The SEOPress WordPress plugin before 7.3 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed