Vulnerability · Published Apr 20, 2026 · Assigned by VulDB

CVE-2026-6622BichitroGan ISP Billing Software Customer edit cross site scripting

Low 2.4

In plain English

A low-severity cross-site scripting in ISP Billing Software from BichitroGan. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).

Severity (CVSS 3.1)2.4Low

Exploit odds (30 days)0.2%top 89.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
BichitroGan	ISP Billing Software	2025.3.20

Weakness: CWE-79, CWE-94 · 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

References

VDB-358257 | BichitroGan ISP Billing Software Customer edit cross site scripting vdb-entry
VDB-358257 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #792393 | BichitroGan ISP Billing System 2025.3.20 Stored Cross-Site Scripting (XSS) third-party-advisory
https://github.com/4m3rr0r/PoCVulDb/issues/18 exploit, issue-tracking