Freelancy
CVE-2020-5505
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Freelancy v1.0.0 allows remote command execution via the "file":"data:application/x-php;base64 substring (in conjunction with "type":"application/x-php"} to the /api/files/ URI.
AnalysisAI
Freelancy v1.0.0 allows remote command execution via the "file":"data:application/x-php;base64 substring (in conjunction with "type":"application/x-php"} to the /api/files/ URI. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. Freelancy v1.0.0 allows remote command execution via the "file":"data:application/x-php;base64 substring (in conjunction with "type":"application/x-php"} to the /api/files/ URI. Affected products include: Vaaip Freelancy.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.
Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
Leaving vuln.today