Cross-Site Scripting Vulnerability in BichitroGan ISP Billing Software
CVE-2026-6623

4.8MEDIUM

Key Information:

Vendor

Bichitrogan

Status
Isp Billing Software
Vendor
CVE Published:
20 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6623?

A security flaw exists in the BichitroGan ISP Billing Software version 2025.3.20, specifically in the Profile Page Handler's users-view function. This vulnerability allows remote attackers to execute cross-site scripting (XSS) attacks by manipulating requests to the affected file. The potential impact includes the execution of arbitrary scripts within the context of a user's session, posing a serious security risk. The vendor has been informed of this issue but has not provided a response.

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-2026-6623 - Proof of Concept

References

https://vuldb.com/vuln/358258
vdb-entry
https://vuldb.com/vuln/358258/cti
signaturepermissions-required
https://vuldb.com/submit/792394
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
.