What is the CVSS score of CVE-2026-3746?

CVE-2026-3746 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: 0.1%.

Is there a public PoC exploit available for CVE-2026-3746?

Yes, a public proof-of-concept exploit is available for CVE-2026-3746. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-3746?

Within 24 hours: Identify all systems running SourceCodester Simple Responsive Tourism Website 1.0 and document affected assets; implement network-level access controls to restrict traffic to the /tourism/classes/Login.php endpoint. Within 7 days: Deploy WAF rules to block suspicious login attempts; enable detailed logging on authentication endpoints; consider taking the application offline if it's not business-critical. Within 30 days: Migrate to an alternative tourism website solution or request an emergency patch from SourceCodester; conduct security audit of compromised systems; reset all user credentials.

Simple Responsive Tourism Website CVE-2026-3746

MEDIUM

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

2026-03-08 cna@vuldb.com

PHP SQLi Simple Responsive Tourism Website Oretnom23

5.5

CVSS 4.0 · NVD

View

Attack ChainAIDerived

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

Access

Send crafted SQL payload in Username parameter
Exploit

Bypass authentication logic
Impact

Extract sensitive database records

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	SourceCodester Simple Responsive Tourism Website 1.0 with /tourism/classes/Login.php?f=login endpoint accessible. No special conditions — remote unauthenticated SQL injection against default installations.
Impact	CVSS 7.3 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitable via remote/network. Public exploit/POC available.
Exploit ScenarioDerived	A remote attacker could exploit this vulnerability to compromise the affected system.

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

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

SQL injection in SourceCodester Simple Responsive Tourism Website 1.0 via the Username parameter in the Login.php component enables unauthenticated remote attackers to manipulate database queries and potentially extract sensitive data or modify application state. Public exploit code exists for this vulnerability, and no patch is currently available, leaving affected systems exposed to active exploitation.

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 the of the component of Simple Responsive Tourism Website. A vulnerability was determined in SourceCodester Simple Responsive Tourism Website 1.0. Affected by this vulnerability is an unknown functionality of the file /tourism/classes/Login.php?f=login of the component Login. This manipulation of the argument Username causes sql injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

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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 09, 2026 - 16:33 vuln.today

Public exploit code

CVE Published

Mar 08, 2026 - 16:16 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was determined in SourceCodester Simple Responsive Tourism Website 1.0. Affected by this vulnerability is an unknown functionality of the file /tourism/classes/Login.php?f=login of the component Login. This manipulation of the argument Username causes sql injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Executive ViewAI

Why It Matters

A high-severity authentication vulnerability in SourceCodester Simple Responsive Tourism Website 1.0 allows attackers to potentially bypass login controls and gain unauthorized access to sensitive systems. Organizations running this application face immediate risk of credential compromise and data breach, particularly if the application handles customer data or payment information.

Business Impact: High

Compensating Controls

Implement Web Application Firewall (WAF) rules targeting /tourism/classes/Login.php to detect and block exploitation patterns; restrict network access to the login component using IP whitelisting; enable rate limiting on authentication endpoints; implement mandatory multi-factor authentication if application supports it; increase logging and monitoring on login attempts; consider disabling the affected component if an alternative authentication method exists; segment affected systems from critical network resources.

Threat Intelligence Overview

EPSS Score

0.1%

Top 84% 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 0.1%

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.