CVE-2021-27564: Appspace

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

A stored XSS issue exists in Appspace 6.2.4. After a user is authenticated and enters an XSS payload under the groups section of the network tab, it is stored as the group name. Whenever another member visits that group, this payload executes.

Affected products

• Appspace Appspace: version 6.2.4 only

Published 2021-02-22. Last modified 2026-06-17.