What is the CVSS score of CVE-2026-3406?

CVE-2026-3406 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. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2026-3406?

Yes, a public proof-of-concept exploit is available for CVE-2026-3406. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3406?

Within 24 hours: Disable or restrict access to /admin/registration.php via network firewall or WAF rules; audit administrative account logs for suspicious activity. Within 7 days: Implement Web Application Firewall (WAF) rules to block exploitation attempts; conduct thorough review of all admin accounts and reset credentials; consider taking the registration module offline if business operations permit. Within 30 days: Contact vendor for patch timeline and interim security updates; evaluate alternative gallery solutions if patch is not forthcoming; implement enhanced logging and monitoring on administrative interfaces.

Online Art Gallery Shop CVE-2026-3406

MEDIUM

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

2026-03-02 cna@vuldb.com

PHP SQLi Online Art Gallery Shop Projectworlds

5.5

CVSS 4.0 · NVD

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Send crafted HTTP request to /admin/registration.php
Exploit

Inject SQL payload in fname parameter
Execution

Execute arbitrary SQL queries
Impact

Extract or modify database contents

Vulnerability Assessment

Weakness	CWE CWE-74 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Input neutralization, injection prevention
Exploitation Conditions	No special conditions — remote unauthenticated exploitation against default installations of projectworlds Online Art Gallery Shop 1.0 with accessible /admin/registration.php endpoint accepting fname parameter without input validation.
Impact	CVSS 7.3 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitation requires authentication. Exploitable via remote/network. Public exploit/POC available.
Exploit ScenarioDerived	A remote attacker (requires authentication) could exploit this flaw, sql injection.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

SQL injection in Online Art Gallery Shop 1.0 via the fname parameter in /admin/registration.php enables unauthenticated remote attackers to manipulate database queries. Public exploit code exists for this vulnerability, and no patch is currently available, leaving affected PHP installations at immediate risk of data compromise or unauthorized access.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:55 CVSS 7.3

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Affects Online Art Gallery Shop. A vulnerability was found in projectworlds Online Art Gallery Shop 1.0. The impacted element is an unknown function of the file /admin/registration.php of the component Registration Handler. The manipulation of the argument fname results in sql injection. It is possible to launch the attack remotely. The exploit has been made public and could be used.

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Exploit and PoC references, threat intelligence from 22 sources

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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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

None

User Interaction

None

Vulnerable system: Confidentiality

Low

Vulnerable system: Integrity

Low

Vulnerable system: Availability

Low

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

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)

PoC Detected

Mar 03, 2026 - 19:46 vuln.today

Public exploit code

CVE Published

Mar 02, 2026 - 03:16 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was found in projectworlds Online Art Gallery Shop 1.0. The impacted element is an unknown function of the file /admin/registration.php of the component Registration Handler. The manipulation of the argument fname results in sql injection. It is possible to launch the attack remotely. The exploit has been made public and could be used.

Executive ViewAI

Why It Matters

A high-severity vulnerability in the Online Art Gallery Shop registration system could allow unauthorized administrative access or account manipulation, directly threatening user data integrity and platform security. With public exploits available and no patch currently available, immediate mitigation is critical to prevent unauthorized access to administrative functions.

Business Impact: High

Compensating Controls

Deploy WAF rules blocking access to /admin/registration.php; restrict administrative interface to whitelisted IP addresses; implement network segmentation to isolate admin functions; require multi-factor authentication for all administrative accounts; disable the registration handler temporarily if operationally feasible; implement enhanced logging and real-time alerts on registration-related activities.

Threat Intelligence Overview

EPSS Score

0.0%

Top 92% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

NVD

CVE.org

EPSS

GitHub

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.