Cross-Site Scripting Vulnerability in funadmin Backend Interface
CVE-2026-2897

4.8MEDIUM

Key Information:

Vendor

funadmin

Status
Funadmin
Vendor
CVE Published:
22 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2897?

A security vulnerability in funadmin's Backend Interface has been identified, affecting versions up to 7.1.0-rc4. This flaw allows attackers to inject malicious scripts into the application via the Value parameter in the index.html file. Exploiting this vulnerability can be performed remotely, posing a substantial risk to users interacting with the affected web interface. Although the vendor was notified of this issue, there has been no response to date, increasing the urgency for users to secure their installations.

Affected Version(s)

funadmin 7.1.0-rc1

funadmin 7.1.0-rc2

funadmin 7.1.0-rc3

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-2026-2897 - Proof of Concept

References

https://vuldb.com/?id.347208
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347208
signaturepermissions-required
https://vuldb.com/?submit.753975
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
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

I4m6da (VulDB User)
.