Stored Cross-Site Scripting Vulnerability in P5 FNIP Products
CVE-2020-37148

5.1MEDIUM

Key Information:

Vendor

P5

Status
Fnip-8x16a
Vendor
CVE Published:
5 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37148?

P5 FNIP-8x16A and FNIP-4xSH versions 1.0.20 and 1.0.11 are susceptible to a stored cross-site scripting vulnerability. This flaw occurs due to insufficient sanitization of input received from multiple GET/POST parameters. As a result, attackers can inject malicious HTML and script code into users' browsers during their session on the affected site. Exploitation can take place through targeted input, particularly via the label modification feature like the 'lab4' parameter in config.html, which can lead to severe security breaches and unauthorized actions.

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Affected Version(s)

FNIP-8x16A 1.0.20

FNIP-8x16A 1.0.11

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37148 - Proof of Concept

CVE-2020-37148 - Proof of Concept

CVE-2020-37148 - Proof of Concept

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-55...
technical-descriptionexploit
https://www.exploit-db.com/exploits/48362
exploit
https://packetstormsecurity.com/files/156170/P5-FNIP-8x16...
exploit

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gjoko 'LiquidWorm' Krstic (@zeroscience)
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