CVE-2021-25964: Janeczku Calibre-Web

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

In “Calibre-web” application, v0.6.0 to v0.6.12, are vulnerable to Stored XSS in “Metadata”. An attacker that has access to edit the metadata information, can inject JavaScript payload in the description field. When a victim tries to open the file, XSS will be triggered.

Affected products

• Janeczku Calibre-Web: from 0.6.0, before 0.6.12 (fixed in 0.6.12)

Published 2021-10-04. Last modified 2026-06-17.