What is CVE-2026-5553?

CVE-2026-5553 is a medium-severity vulnerability in Itsourcecode Online Cellphone System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-04-05.

How severe is CVE-2026-5553?

Medium severity. CVSS v3 base score is 6.3 out of 10.

SQL Injection in Itsourcecode Online Cellphone System

CVE-2026-5553

A vulnerability was identified in itsourcecode Online Cellphone System 1.0. Affected by this vulnerability is an unknown functionality of the file /cp/available.php of the component Parameter Handler. Such manipulation of the argument Name leads to sql injection. The attack can be launched remotely. The exploit is publicly available and might be used.

EPSS: 0.003 (17.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Itsourcecode Online Cellphone System — versions 1.0

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-5553?: CVE-2026-5553 is a medium-severity vulnerability in Itsourcecode Online Cellphone System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-04-05.
How severe is CVE-2026-5553?: Medium severity. CVSS v3 base score is 6.3 out of 10.