Which versions of PHP are affected by CVE-2026-3042?

A high-severity vulnerability in itsourcecode Event Management System 1.0 poses a significant risk to organizations using this software, particularly affecting administrative functions.

Is there a public PoC exploit available for CVE-2026-3042?

Yes, a public proof-of-concept exploit is available for CVE-2026-3042. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3042?

Within 24 hours: inventory all systems running itsourcecode Event Management System 1.0 and restrict network access to /admin/index.php to authorized personnel only. Within 7 days: implement compensating controls (WAF rules, IP whitelisting) and contact the vendor for patch availability and timeline. Within 30 days: prioritize patching or migrate to a patched version; if neither is available, evaluate alternative event management solutions to replace the affected system.

PHP CVE-2026-3042

Q: What is the CVSS score of CVE-2026-3042?

CVE-2026-3042 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: 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. EPSS exploitation probability: 0.0%.

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-02-24 cna@vuldb.com

PHP SQLi

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Severity Changed

Apr 29, 2026 - 01:11 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 01:11 NVD

7.3 (HIGH) 5.5 (MEDIUM)

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 24, 2026 - 18:13 vuln.today

Public exploit code

CVE Published

Feb 24, 2026 - 00:16 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was detected in itsourcecode Event Management System 1.0. The affected element is an unknown function of the file /admin/index.php. Performing a manipulation of the argument ID results in sql injection. The attack is possible to be carried out remotely. The exploit is now public and may be used.

AnalysisAI

SQL injection in itsourcecode Event Management System 1.0 allows unauthenticated remote attackers to manipulate the ID parameter in /admin/index.php and execute arbitrary SQL queries. Public exploit code exists for this vulnerability, and no patch is currently available. …

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Risk assessment & exploitation conditions
Attack chain visualization
Remediation with exact patch versions
Threat intelligence from 22 sources
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Send HTTP request to /admin/index.php

Exploit

Inject SQL payload in ID parameter

Execution

Execute unauthorized database queries

Impact

Extract or modify sensitive data

Access

Send HTTP request to /admin/index.php

Exploit

Inject SQL payload in ID parameter

Execution

Execute unauthorized database queries

Impact

Extract or modify sensitive data

Vulnerability AssessmentAI

Exploitation	No special conditions — remote unauthenticated exploitation against default itsourcecode Event Management System 1.0 with /admin/index.php endpoint accessible. Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 7.3 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker (requires authentication) could exploit this flaw, sql injection.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: inventory all systems running itsourcecode Event Management System 1.0 and restrict network access to /admin/index.php to authorized personnel only. …

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-3042 vulnerability details – vuln.today

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PHP CVE-2026-3042

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Unlock full vulnerability intelligence

Attack ChainAIDerived

Vulnerability AssessmentAI

Recommended ActionAI

More from same product – last 7 days

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External POC / Exploit Code