Which versions of PHP are affected by CVE-2026-3723?

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.

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.

PHP CVE-2026-3723

Q: 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/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)

2026-03-08 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

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.

AnalysisAI

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.

Unlock full vulnerability intelligence

Risk assessment & exploitation conditions
Attack chain visualization
Remediation with exact patch versions
Threat intelligence from 22 sources
Personal watchlist & email alerts

Continue with Google Continue with GitHub

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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

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 AssessmentAI

Exploitation	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. 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: Isolate affected systems from production if possible and implement network segmentation to restrict access to /Admindelete.php. …

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

More from same product – last 7 days

CVE-2026-49952 CRITICAL Act Now POC

9.3 Jun 15

Authentication bypass in Discuz! X5.0 releases 20260320 through 20260501 allows unauthenticated remote attackers to acce

CVE-2026-49954 HIGH This Week POC

8.6 Jun 15

Authenticated remote code execution in Discuz! X5.0 releases 20260320 through 20260501 allows administrators to chain a

CVE-2026-49768 CRITICAL Act Now

9.8 Jun 15

Unauthenticated PHP Object Injection in the Happyforms WordPress plugin (versions <= 1.26.13) allows remote attackers to

CVE-2026-27053 CRITICAL Act Now

9.8 Jun 15

Unauthenticated PHP Object Injection in the Broadcast Live Video WordPress plugin (versions prior to 7.1.3) allows remot

CVE-2026-49104 CRITICAL Act Now

9.8 Jun 15

Unauthenticated PHP object injection in the WordPress plugin 'Integration for Keap/Infusionsoft and Contact Form 7, WPFo

CVE-2026-3723 vulnerability details – vuln.today

Back

PHP CVE-2026-3723

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

Share

External POC / Exploit Code