wallabag contains Improper Authorization via export feature

Description The export feature lets a user export a single entry or a set of entries in a given format e.g. PDF, MOBI, TXT. For example, https://yourinstance.wallabag.org/export/45.pdf will export the entry with id 45 in PDF format. Since wallabag 2.0.0-alpha.1, this feature is vulnerable to an...