What is CVE-2026-6623?

CVE-2026-6623 is a low-severity vulnerability in Bichitrogan Isp Billing Software, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2026-04-20.

How severe is CVE-2026-6623?

Low severity. CVSS v3 base score is 2.4 out of 10.

RCE in Bichitrogan Isp Billing Software

CVE-2026-6623

A security flaw has been discovered in BichitroGan ISP Billing Software 2025.3.20. This impacts an unknown function of the file /?_route=settings/users-view/ of the component Profile Page Handler. Performing a manipulation results in cross site scripting. The attack is possible to be carried out remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-04-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (26.3th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001

Affected products

Bichitrogan Isp Billing Software — versions 2025.3.20

Weakness classification (CWE)

References

vuldb.com/vuln/358258 (vdb-entry)
vuldb.com/vuln/358258/cti (signature, permissions-required)
vuldb.com/submit/792394 (third-party-advisory)
github.com/4m3rr0r/PoCVulDb/issues/17 (issue-tracking, exploit)

Frequently asked questions

What is CVE-2026-6623?: CVE-2026-6623 is a low-severity vulnerability in Bichitrogan Isp Billing Software, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2026-04-20.
How severe is CVE-2026-6623?: Low severity. CVSS v3 base score is 2.4 out of 10.