CVE-2021-4420: Graphpaperpress Sell Media

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

The Sell Media plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.5. This is due to missing or incorrect nonce validation on the sell_media_process() function. This makes it possible for unauthenticated attackers to sell media paypal orders via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

• Graphpaperpress Sell Media: up to and including 2.5.5

Published 2023-07-12. Last modified 2026-06-17.