Arbitrary file upload in Firefly III - #VU57178
Published: October 11, 2021
Vulnerability identifier: #VU57178
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload while creating a new bill. A remote attacker can upload a malicious file and execute it on the server.
Affected software
Firefly III
Remediation
Install updates from vendor's website.
Firefly III - update to 5.6.2