BookStack Security Release v21.10.1

BookStack v21.10.1 has been released. This is a security release that covers a vulnerability which would allow malicious users, who have permission to update or create pages, to upload content that could then be utilized for phishing or other general malicious intent.

If you allow untrusted users to edit page content you should update as soon as possible.

Thanks to @haxatron on for the discovery and reporting of this issue.

Full List of Changes

  • Fixed image upload vulnerability. Thanks to @haxatron (#3010)
  • Fixed capitalization for Estonian language option. Thanks to @IndrekHaav. (#3008)
  • Updated PHP packages to prevent abandoned warning. (#3007)
  • Updated translations with latest changes from Crowdin. (#3006)

For More Information

If you have any questions or comments about this advisory:

Header Image Credits: Photo by Muhammad Zaqy Al Fattah on Unsplash