Vulnerability · Published Apr 5, 2026 · Assigned by VulDB

CVE-2026-5553itsourcecode Online Cellphone System Parameter available.php sql injection

Medium 6.3

In plain English

A medium-severity SQL injection in Online Cellphone System from itsourcecode. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.3%top 82.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
itsourcecode	Online Cellphone System	1.0

Weakness: CWE-89, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-355323 | itsourcecode Online Cellphone System Parameter available.php sql injection vdb-entry, technical-description
VDB-355323 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #782873 | itsourcecode Online Cellphone System V1.0 SQL Injection third-party-advisory
https://github.com/Wzl731/test/issues/3 exploit, issue-tracking
https://itsourcecode.com/ product