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Simple Laundry System CVE-2026-5257

| EUVDEUVD-2026-17820 MEDIUM
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)
2026-04-01 cna@vuldb.com GHSA-8x4w-7f2x-x6c2
5.5
CVSS 4.0 · Vendor: vuldb
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Input neutralization, injection prevention
Impact

The CVSS 4.0 vector indicates network-based attack with low complexity, no authentication required, and low confidentiality/integrity impact without availability impact (AV:N/AC:L/PR:N/UI:N/VC:L/VI:L/VA:L). The CVSS score of 6.9 reflects medium severity. However, real-world risk is elevated by multiple factors: the Attack Complexity is Low (AC:L), unauthenticated access is possible (PR:N), and critically, public exploit code exists (E:P tag indicates Proof of Concept available). While the direct confidentiality and integrity impacts are rated low due to CVSS constraints, SQL injection typically enables full database compromise, making this a practical high-risk vulnerability. The combination of low attack friction and public tooling makes this a genuine operational concern despite the moderate numeric score.

Exploit ScenarioDerived

An attacker without authentication discovers the Simple Laundry System 1.0 instance via network scanning. They craft an HTTP request to /delstaffinfo.php with a malicious userid parameter containing SQL syntax (e.g., userid=1 OR 1=1--), exploiting the lack of input validation. The injected SQL is executed server-side, allowing the attacker to enumerate database schema, extract user credentials, modify staff records, or in worst case, achieve remote code execution depending on database permissions. Public exploit code published on GitHub (reference: https://github.com/ningfashui123/louplus/issues/1) significantly lowers the barrier to exploitation.

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 – Apr 01, 2026

SQL injection in code-projects Simple Laundry System 1.0 allows unauthenticated remote attackers to manipulate the userid parameter in /delstaffinfo.php, enabling arbitrary SQL query execution with limited data confidentiality and integrity impact. Public exploit code is available, increasing real-world risk despite the moderate CVSS score of 6.9.

RemediationAI

Immediate action is required to remediate this unauthenticated SQL injection. No vendor-released patch version is identified in available data, indicating the vendor may not have released an official update. Users must contact code-projects directly through https://code-projects.org/ for security updates. As an interim workaround, implement input validation and parameterized queries (prepared statements) in the /delstaffinfo.php file to neutralize the userid parameter; specifically, use prepared statements with bound parameters rather than string concatenation. Additionally, restrict network access to /delstaffinfo.php via WAF rules or IP whitelisting until a patch is available, and consider running the application only in isolated or development environments until remediated.

Affected VersionsENISA

Simple Laundry System 1.0

Affected Packages

euvd simple_laundry_system no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The vulnerability exists in the Parameter Handler component of Simple Laundry System, a PHP-based web application for laundry management. The root cause is classified as CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component), which encompasses SQL injection attacks. The /delstaffinfo.php file fails to properly sanitize or parameterize the userid input parameter before incorporating it into SQL queries, allowing attackers to inject arbitrary SQL syntax. This is a classic input validation failure in a web application's database interaction layer.

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Severity by source

Vendor (vuldb) 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 Vendor (vuldb) · only source for this CVE.

CVSS VectorVendor: vuldb

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

2
CVSS changed
Apr 29, 2026 - 01:11 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
CVE Published
Apr 01, 2026 - 06:16 nvd
MEDIUM 6.9

DescriptionCVE.org

A vulnerability has been found in code-projects Simple Laundry System 1.0. This issue affects some unknown processing of the file /delstaffinfo.php of the component Parameter Handler. Such manipulation of the argument userid leads to sql injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

Threat Intelligence Overview

EPSS Score
0.0%
Top 91% exploitable
Data Quality
8 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment CIRCL 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 No
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.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
Poc
System Exposure· derived
Open
Automatable
Yes
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.

Related Vulnerabilities in SourceCodester Simple Laundry System XSS

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CVE-2026-5565 MEDIUM POC
5.5 Apr 05

SQL injection in code-projects Simple Laundry System 1.0 allows unauthenticated remote attackers to execute arbitrary SQ

CVE-2026-5564 MEDIUM POC
5.5 Apr 05

SQL injection in code-projects Simple Laundry System 1.0 allows unauthenticated remote attackers to extract, modify, or

CVE-2026-5540 MEDIUM POC
5.5 Apr 05

SQL injection in Simple Laundry System 1.0 allows unauthenticated remote attackers to execute arbitrary SQL commands via

CVE-2026-4908 MEDIUM POC
5.5 Mar 27

SQL injection in code-projects Simple Laundry System 1.0 allows unauthenticated remote attackers to extract, modify, or

CVE-2026-4850 MEDIUM POC
5.5 Mar 26

SQL injection in Simple Laundry System 1.0's /checkregisitem.php parameter handler allows unauthenticated remote attacke

CVE-2026-4784 MEDIUM POC
5.5 Mar 25

SQL injection in Simple Laundry System 1.0 PHP application allows unauthenticated remote attackers to execute arbitrary

CVE-2026-4581 MEDIUM POC
5.5 Mar 23

SQL injection in Simple Laundry System 1.0's /checklogin.php parameter handler allows unauthenticated remote attackers t

CVE-2026-4580 MEDIUM POC
5.5 Mar 23

SQL injection in Simple Laundry System 1.0's /checkupdatestatus.php parameter handler allows unauthenticated remote atta

CVE-2026-4579 MEDIUM POC
5.5 Mar 23

SQL injection in Simple Laundry System 1.0 through the serviceId parameter in /viewdetail.php allows unauthenticated rem

CVE-2025-5766 LOW POC
2.1 Jun 06

Cross-site request forgery in code-projects Laundry System 1.0 allows an attacker to perform unauthorized actions on beh

CVE-2026-6150 LOW POC
2.1 Apr 13

Cross-site scripting (XSS) in code-projects Simple Laundry System 1.0 allows remote attackers to inject arbitrary script

CVE-2026-6032 LOW POC
2.1 Apr 10

Reflected cross-site scripting (XSS) in code-projects Simple Laundry System 1.0 allows unauthenticated remote attackers

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