CVE-2023-28458: Pretalx

Medium severity, CVSS 4.3. EPSS: 3.5% chance of exploitation in the next 30 days.

pretalx 2.3.1 before 2.3.2 allows path traversal in HTML export (a non-default feature). Organizers can trigger the overwriting (with the standard pretalx 404 page content) of an arbitrary file.

Affected products

• Pretalx Pretalx: up to and including 2.3.1

Published 2023-04-20. Last modified 2026-06-17.