What is the CVSS score of CVE-2026-3736?

CVE-2026-3736 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-2026-3736?

Yes, a public proof-of-concept exploit is available for CVE-2026-3736. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3736?

Within 24 hours: Identify all systems running Simple Flight Ticket Booking System 1.0 and assess customer data exposure. Within 7 days: Implement network segmentation to restrict access to the booking system and deploy Web Application Firewall rules to block exploitation attempts on SearchResultRoundtrip.php. Within 30 days: Evaluate replacement solutions or request vendor security updates; if the vendor provides a patch, apply immediately after validation testing.

Simple Flight Ticket Booking System CVE-2026-3736

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 Flight Ticket Booking System Carmelo

5.5

CVSS 4.0 · NVD

View

Attack ChainAIDerived

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

Access

Craft malicious SQL payload in search parameter
Exploit

Submit request to SearchResultRoundtrip.php
Execution

Execute arbitrary SQL queries
Impact

Extract or modify 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	No special conditions — remote unauthenticated exploitation against default configurations of Simple Flight Ticket Booking System 1.0 with SearchResultRoundtrip.php endpoint accessible and accepting unsanitized user input in search parameters.
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 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 Simple Flight Ticket Booking System 1.0's SearchResultRoundtrip.php parameter handling enables unauthenticated remote attackers to manipulate database queries and potentially extract, modify, or delete sensitive data. Public exploit code exists for this vulnerability, increasing exploitation risk. No patch is currently available.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:55 CVSS 7.3

A vulnerability was found in code-projects Simple Flight Ticket Booking System 1.0. Affected by this issue is some unknown functionality of the file SearchResultRoundtrip.php. [CVSS 7.3 HIGH]

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 Simple Flight Ticket Booking System. A vulnerability was found in code-projects Simple Flight Ticket Booking System 1.0. Affected by this issue is some unknown functionality of the file SearchResultRoundtrip.php. Performing a manipulation of the argument from results in sql injection. The attack may be initiated 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 09, 2026 - 16:13 vuln.today

Public exploit code

CVE Published

Mar 08, 2026 - 13:16 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was found in code-projects Simple Flight Ticket Booking System 1.0. Affected by this issue is some unknown functionality of the file SearchResultRoundtrip.php. Performing a manipulation of the argument from results in sql injection. The attack may be initiated remotely. The exploit has been made public and could be used.

Executive ViewAI

Why It Matters

A high-severity vulnerability in the Simple Flight Ticket Booking System allows unauthenticated attackers to exploit the SearchResultRoundtrip.php file, potentially compromising flight booking data and customer information. Organizations using this system face immediate risk of unauthorized access, data theft, and reputational damage, particularly if customer payment or personal data is exposed.

Business Impact: High

Compensating Controls

Deploy WAF rules to restrict access to SearchResultRoundtrip.php; implement IP whitelisting for authorized users only; disable roundtrip search functionality if not critical to operations; isolate the booking system on a separate network segment with strict egress controls; enable enhanced logging and monitoring for anomalous database queries; consider temporary takedown of the booking system if customer data exposure is confirmed pending patch availability.

Threat Intelligence Overview

EPSS Score

0.0%

Top 93% 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.