[froxlor/froxlor] Froxlor is vulnerable to path traversal

Path Traversal: ‘..\filename’ in GitHub repository froxlor/froxlor prior to 2.0.0.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-0316
• https://github.com/froxlor/froxlor/commit/983d9294603925018225d672795bd8b4a526f41e
• https://huntr.dev/bounties/c190e42a-4806-47aa-aa1e-ff5d6407e244
• https://github.com/advisories/GHSA-xp3g-2729-rxm3