CVE-2021-34641: Seopress

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Seopress Seopress: from 5.0.0, before 5.0.4 (fixed in 5.0.4)

Published 2021-08-16. Last modified 2026-06-17.