### [CVE-2021-3916](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3916) ![](https://img.shields.io/static/v1?label=Product&message=bookstackapp%2Fbookstack&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-22%20Improper%20Limitation%20of%20a%20Pathname%20to%20a%20Restricted%20Directory%20('Path%20Traversal')&color=brightgreen) ### Description bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') ### POC #### Reference - https://huntr.dev/bounties/0be32e6b-7c48-43f0-9cec-433000ad8f64 #### Github No PoCs found on GitHub currently.