CVE-2026-6622

BichitroGan ISP Billing Software Customer edit cross site scripting

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Published Apr 20, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
A vulnerability was identified in BichitroGan ISP Billing Software 2025.3.20. This affects an unknown function of the file /?\_route=customers/edit/ of the component Customer Handler. Such manipulation leads to cross site scripting. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Analysis

AI-generated

Technical impact

The vulnerability resides in an unknown function of the /?route=customers/edit page within the Customer Handler component of BichitroGan ISP Billing Software 2025.3.20. It allows an attacker to inject malicious script code that is executed in users' browsers when they view edited customer data. This classic cross‑site scripting flaw (CWE‑79) is coupled with a potential server‑side code execution indication (CWE‑94). The primary impact is execution of arbitrary client‑side code leading to session hijacking, phishing, or site defacement, thereby compromising confidentiality and integrity of user sessions.

Affected Systems

The affected product is BichitroGan ISP Billing Software 2025.3.20. No sub‑components or alternate versions are listed; any instance of the Customer edit route exposed to external traffic is vulnerable.

Risk and Exploitability

The CVSS score of 4.8 indicates a moderate impact and requires remote interaction. EPSS information is not available, so exact exploitation probability cannot be quantified, though a public exploit demonstrates feasibility. The vulnerability is not listed in the CISA KEV catalog. The attack vector is inferred to be remote via a crafted request to the edit customer route, impacting any user that views responses containing injected script.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply any vendor‑issued patch or upgrade to a non‑vulnerable version of BichitroGan ISP Billing Software if one has been released
  • If no patch is available, implement rigorous input validation or output encoding on the customer edit form to neutralize script payloads
  • Limit access to the edit customer page to users with administrative or billing privileges, and enforce least‑privilege access controls to reduce exposure

Generated by OpenCVE AI on April 20, 2026 at 10:51 UTC.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Bichitrogan
Bichitrogan isp Billing Software
Vendors & Products Bichitrogan
Bichitrogan isp Billing Software
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}
Type Values Removed Values Added
Description A vulnerability was identified in BichitroGan ISP Billing Software 2025.3.20. This affects an unknown function of the file /?\_route=customers/edit/ of the component Customer Handler. Such manipulation leads to cross site scripting. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Title BichitroGan ISP Billing Software Customer edit cross site scripting
Weaknesses CWE-79
CWE-94
References
Metrics cvssV2_0

{'score': 3.3, 'vector': 'AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 2.4, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 2.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P'}
Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

  • CWE-94

    Improper Control of Generation of Code ('Code Injection')

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Apr 20, 2026, 11:10 AM
Reserved
Apr 19, 2026, 4:32 PM

View source JSON

Updated
Apr 20, 2026, 11:10 AM

JSON

Status
Deferred
Published
Apr 20, 2026, 10:16 AM
Modified
Oct 26, 2026, 10:10 PM

View source JSON

No data.

Updated
Apr 20, 2026, 2:57 PM

JSON