Pretalx Limited File Write to Remote Code Execution
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.
pretalx < 2.3.2 - Path Traversal via HTML Export Feature
pretalx 2.3.1 before 2.3.2 allows path traversal in HTML export (a non-default feature). Users were able to upload crafted HTML documents that trigger the reading of arbitrary files.