What is the CVSS score of CVE-2026-3723?

CVE-2026-3723 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-2026-3723?

Yes, a public proof-of-concept exploit is available for CVE-2026-3723. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3723?

Within 24 hours: Isolate affected systems from production if possible and implement network segmentation to restrict access to /Admindelete.php. Within 7 days: Deploy WAF rules to block requests to /Admindelete.php, conduct forensic analysis for signs of exploitation, and identify all instances of this application. Within 30 days: Evaluate migration to a patched or alternative ticketing system, implement enhanced access controls and monitoring, and establish incident response procedures.

Simple Flight Ticket Booking System CVE-2026-3723

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 flightno parameter
Exploit

Submit POST/GET request to /Admindelete.php
Execution

Execute injected SQL query
Impact

Extract/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	Simple Flight Ticket Booking System 1.0 with /Admindelete.php endpoint accessible without authentication; no input validation on flightno parameter; direct database query execution without parameterized statements.
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)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Mar 12, 2026

SQL injection in Simple Flight Ticket Booking System 1.0's /Admindelete.php endpoint allows unauthenticated remote attackers to manipulate the flightno parameter and execute arbitrary database queries, potentially leading to data theft or modification. Public exploit code is available for this vulnerability, and no patch has been released as of now.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:55 CVSS 7.3

A security flaw has been discovered in code-projects Simple Flight Ticket Booking System 1.0. This affects an unknown function of the file /Admindelete.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 security flaw has been discovered in code-projects Simple Flight Ticket Booking System 1.0. This affects an unknown function of the file /Admindelete.php. The manipulation of the argument flightno results in sql injection. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

Know when Simple Flight Ticket Booking System gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

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 - 16:19 vuln.today

Public exploit code

CVE Published

Mar 08, 2026 - 09:16 nvd

HIGH 7.3

DescriptionCVE.org

A security flaw has been discovered in code-projects Simple Flight Ticket Booking System 1.0. This affects an unknown function of the file /Admindelete.php. The manipulation of the argument flightno results in sql injection. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

Executive ViewAI

Why It Matters

A high-severity vulnerability in Simple Flight Ticket Booking System 1.0 allows unauthorized administrative actions through the /Admindelete.php file, with public exploits already available. Organizations running this system face immediate risk of data manipulation, deletion, or unauthorized access to booking and customer information.

Business Impact: High

Compensating Controls

Implement WAF rules to block or require authentication for /Admindelete.php; restrict network access to this application via firewall rules; disable the admin delete functionality at the application level if feasible; enable comprehensive logging and alerting for file access attempts; enforce multi-factor authentication for all administrative accounts; consider disabling the affected application until vendor patch is released or replacement system is deployed.

Threat Intelligence Overview

EPSS Score

0.0%

Top 91% 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.