Which versions of PHP are affected by CVE-2026-4581?

A critical SQL injection vulnerability in Simple Laundry System 1.0 allows unauthenticated attackers to directly access and manipulate the application database without authorization.

Is there a public PoC exploit available for CVE-2026-4581?

Yes, a public proof-of-concept exploit is available for CVE-2026-4581. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-4581?

Within 24 hours: Inventory all systems running Simple Laundry System 1.0 and assess business criticality; isolate affected systems from production networks if possible. Within 7 days: Implement Web Application Firewall (WAF) rules to block SQL injection patterns targeting /checklogin.php; enable comprehensive logging and monitoring for suspicious authentication attempts; restrict network access to the application to authorized users only. Within 30 days: Evaluate migration to patched or alternative laundry management solutions; conduct forensic analysis for evidence of compromise; if remaining on vulnerable version, establish continuous vulnerability scanning and threat monitoring protocols.

PHP CVE-2026-4581

Q: What is the CVSS score of CVE-2026-4581?

CVE-2026-4581 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%.

EUVD-2026-14392 MEDIUM

SQL Injection (CWE-89)

2026-03-23 VulDB

GHSA-24g2-fgx6-x4g7

SQLi PHP

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

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.9 (MEDIUM) 5.5 (MEDIUM)

PoC Detected

Apr 03, 2026 - 17:47 vuln.today

Public exploit code

EUVD ID Assigned

Mar 23, 2026 - 09:45 euvd

EUVD-2026-14392

Analysis Generated

Mar 23, 2026 - 09:45 vuln.today

CVE Published

Mar 23, 2026 - 09:33 nvd

MEDIUM 6.9

DescriptionCVE.org

A weakness has been identified in code-projects Simple Laundry System 1.0. Affected is an unknown function of the file /checklogin.php of the component Parameters Handler. This manipulation of the argument Username causes sql injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. If you want to get best quality of vulnerability data, you may have to visit VulDB.

AnalysisAI

SQL injection in Simple Laundry System 1.0's /checklogin.php parameter handler allows unauthenticated remote attackers to manipulate the Username field and execute arbitrary database queries. Public exploit code exists for this vulnerability, increasing the risk of active exploitation. …

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

Vulnerability AssessmentAI

Risk Assessment	The CVSS v3.1 base score of 7.3 (High) reflects the serious nature of this vulnerability with metrics indicating network-based attack vector (AV:N), low complexity (AC:L), no privileges required (PR:N), and no user interaction needed (UI:N). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An unauthenticated attacker identifies a publicly accessible Simple Laundry System installation and navigates to the login page. Using the publicly available GitHub proof-of-concept exploit, the attacker crafts a malicious HTTP request to /checklogin.php with a SQL injection payload in the Username parameter (for example: admin' OR '1'='1' -- ) to bypass authentication controls. …
Remediation	No official patch or updated version has been released by code-projects as of this analysis (remediation level is unavailable per CVSS vector RL:X). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all systems running Simple Laundry System 1.0 and assess business criticality; isolate affected systems from production networks if possible. …

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-2026-4581 vulnerability details – vuln.today

Back

PHP CVE-2026-4581

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Unlock full vulnerability intelligence

Vulnerability AssessmentAI

Recommended ActionAI

More from same product – last 7 days

Share

External POC / Exploit Code