CVE-2021-31721: Chevereto

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

Chevereto before 3.17.1 allows Cross Site Scripting (XSS) via an image title at the image upload stage.

Affected products

• Chevereto Chevereto: before 3.17.1 (fixed in 3.17.1)

Published 2021-06-30. Last modified 2026-07-09.