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PHP EUVD-2026-14289

| CVE-2026-4540 MEDIUM
SQL Injection (CWE-89)
2026-03-22 VulDB
5.5
CVSS 4.0 · NVD
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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/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
X

Lifecycle Timeline

7
CVSS changed
Apr 29, 2026 - 01:11 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
Severity Changed
Apr 24, 2026 - 16:37 NVD
HIGH MEDIUM
CVSS changed
Apr 24, 2026 - 16:37 NVD
7.3 (HIGH) 6.9 (MEDIUM)
PoC Detected
Mar 23, 2026 - 14:31 vuln.today
Public exploit code
EUVD ID Assigned
Mar 22, 2026 - 08:00 euvd
EUVD-2026-14289
Analysis Generated
Mar 22, 2026 - 08:00 vuln.today
CVE Published
Mar 22, 2026 - 07:41 nvd
HIGH 7.3

DescriptionCVE.org

A vulnerability was detected in projectworlds Online Notes Sharing System 1.0. This issue affects some unknown processing of the file /login.php of the component Parameters Handler. The manipulation of the argument Benutzer results in SQL Injection. The attack can be executed remotely. The exploit is now public and may be used.

AnalysisAI

SQL injection in projectworlds Online Notes Sharing System 1.0 allows unauthenticated remote attackers to manipulate the Benutzer parameter in /login.php, enabling unauthorized data access, modification, or denial of service. Public exploit code exists for this vulnerability, and no patch is currently available.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send malicious SQL payload in Benutzer parameter
Exploit
/login.php Parameters Handler processes input unsafely
Execution
SQL Injection executed against backend database
Impact
Extract sensitive data or modify records

Vulnerability AssessmentAI

Exploitation Remote unauthenticated SQL injection against projectworlds Online Notes Sharing System 1.0. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The real-world risk is significant and immediate. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker identifies an internet-facing instance of Online Notes Sharing System 1.0 through automated scanning or search engine reconnaissance. Using the publicly available GitHub proof-of-concept at https://github.com/juzidddd/CVE/issues/4, they craft a malicious HTTP request to /login.php with SQL injection payloads in the 'Benutzer' parameter, such as admin' OR '1'='1' -- to bypass authentication or UNION-based queries to extract the entire user database including credentials, personal information, and potentially uploaded notes. …
Remediation Organizations running projectworlds Online Notes Sharing System 1.0 should immediately discontinue use of this software, as the CVSS Remediation Level (RL:X) indicates no official patch is available. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Disable public access to the /login.php endpoint and assess which systems are running the vulnerable version. …

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

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EUVD-2026-14289 vulnerability details – vuln.today

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