How to fix CVE-2026-5534?

Within 24 hours: Identify all systems running itsourcecode Online Enrollment System 1.0 and isolate affected instances from production traffic if possible. Within 7 days: Implement network-level controls (WAF rules blocking SQL injection patterns in USERID parameter, network segmentation) and enable enhanced database activity logging. Contact itsourcecode for patch timeline and escalate to vendor for emergency security release. Within 30 days: Either apply vendor-released patch immediately upon availability, migrate to an alternative enrollment system, or maintain offline-only operation with manual enrollment processes if patch remains unavailable.

Is PHP affected by CVE-2026-5534?

CVE-2026-5534 is a critical SQL injection vulnerability in itsourcecode Online Enrollment System 1.0 that allows unauthenticated attackers to compromise database integrity and access sensitive enrollment data.

CVE-2026-5534

EUVD-2026-19018 MEDIUM

2026-04-05 VulDB

GHSA-fqg9-xwv7-hgh3

6.9

CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 07, 2026 - 13:20 vuln.today

Public exploit code

Analysis Generated

Apr 05, 2026 - 02:45 vuln.today

EUVD ID Assigned

Apr 05, 2026 - 02:45 euvd

EUVD-2026-19018

CVE Published

Apr 05, 2026 - 01:45 nvd

MEDIUM 6.9

Description

A vulnerability was identified in itsourcecode Online Enrollment System 1.0. This affects an unknown function of the file /sms/user/index.php?view=edit&id=10 of the component Parameter Handler. Such manipulation of the argument USERID leads to sql injection. The attack can be executed remotely. The exploit is publicly available and might be used.

Analysis

SQL injection in itsourcecode Online Enrollment System 1.0 allows unauthenticated remote attackers to manipulate database queries via the USERID parameter in /sms/user/index.php. The CVSS 7.3 score reflects network-accessible exploitation with low complexity requiring no privileges. …

Remediation

Within 24 hours: Identify all systems running itsourcecode Online Enrollment System 1.0 and isolate affected instances from production traffic if possible. Within 7 days: Implement network-level controls (WAF rules blocking SQL injection patterns in USERID parameter, network segmentation) and enable enhanced database activity logging. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +34

POC: +20

CVE-2026-5534 vulnerability details – vuln.today

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CVE-2026-5534

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CVE-2026-5534

CVSS Vector

Lifecycle Timeline

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Description

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Remediation

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External POC / Exploit Code