Parse Server has a stored XSS filter bypass via Content-Type MIME parameter and missing XML extension blocklist entries

Impact An attacker who is allowed to upload files can bypass the file extension filter by appending a MIME parameter e.g. ;charset=utf-8 to the Content-Type header. This causes the extension validation to fail matching against the blocklist, allowing active content to be stored and served under t...

CVE-2025-13742

Emails sent by pretix can utilize placeholders that will be filled with customer data. For example, when name is used in an email template, it will be replaced with the buyer's name for the final email. If the name of the attendee contained HTML or Markdown formatting, this was rendered as HTML i...