CVE-2026-57533: Pretix

Low severity, CVSS 2.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Malicious HTML content could be injected into the page pretix shows when redirection to an untrusted page occurs. Since this page has a Content-Security-Policy, this can mainly be used for phishing purposes.

Affected products

• Pretix Pretix: before 2026.3.4 (fixed in 2026.3.4); from 2026.4.0, before 2026.4.4 (fixed in 2026.4.4); from 2026.5.0, before 2026.5.2 (fixed in 2026.5.2)

Published 2026-06-25. Last modified 2026-06-25.