Cross Site Scripting Vulnerability in BichitroGan ISP Billing Software by BichitroGan
CVE-2026-6622

4.8MEDIUM

Key Information:

Vendor

Bichitrogan

Status
Isp Billing Software
Vendor
CVE Published:
20 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6622?

A cross site scripting (XSS) vulnerability has been found in BichitroGan ISP Billing Software version 2025.3.20, specifically within the Customer Handler component at the /?_route=customers/edit/ endpoint. This vulnerability allows attackers to execute scripts remotely, leading to potential exploitation. The exploit methods are available publicly, and despite notification efforts, the vendor has not responded regarding this issue.

Affected Version(s)

ISP Billing Software 2025.3.20

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-2026-6622 - Proof of Concept

References

https://vuldb.com/vuln/358257
vdb-entry
https://vuldb.com/vuln/358257/cti
signaturepermissions-required
https://vuldb.com/submit/792393
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

4m3rr0r (VulDB User)
VulDB CNA Team
.