Which versions of PHP are affected by CVE-2026-0583?

Organizations using A security flaw face moderate risk from CVE-2026-0583, a injection vulnerability rated CVSS 7.3.

Is there a public PoC exploit available for CVE-2026-0583?

Yes, a public proof-of-concept exploit is available for CVE-2026-0583. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-0583?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

PHP CVE-2026-0583

Q: What is the CVSS score of CVE-2026-0583?

CVE-2026-0583 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: 0.1%.

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-01-05 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 - 21:54 vuln.today

PoC Detected

Jan 09, 2026 - 14:35 vuln.today

Public exploit code

CVE Published

Jan 05, 2026 - 10:15 nvd

HIGH 7.3

DescriptionCVE.org

A security flaw has been discovered in code-projects Online Product Reservation System 1.0. This vulnerability affects unknown code of the file app/user/login.php of the component User Login. The manipulation of the argument emailadd results in sql injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

AnalysisAI

SQL injection in the User Login component of Online Product Reservation System 1.0 allows unauthenticated remote attackers to manipulate the emailadd parameter and execute arbitrary SQL queries. Public exploit code exists for this vulnerability, enabling attackers to potentially extract sensitive data or modify database contents. …

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Risk assessment & exploitation conditions
Attack chain visualization
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Threat intelligence from 22 sources
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Craft malicious SQL payload in emailadd parameter

Exploit

Send HTTP request to login.php

Execution

Execute arbitrary SQL queries

Impact

Extract sensitive database data

Access

Craft malicious SQL payload in emailadd parameter

Exploit

Send HTTP request to login.php

Execution

Execute arbitrary SQL queries

Impact

Extract sensitive database data

Vulnerability AssessmentAI

Exploitation	No special conditions — remote unauthenticated exploitation against code-projects Online Product Reservation System 1.0 with User Login component accessible at app/user/login.php on default deployment. 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 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 7 days: Identify all affected systems and apply vendor patches promptly. …

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

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CVE-2026-0583 vulnerability details – vuln.today

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PHP CVE-2026-0583

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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Attack ChainAIDerived

Vulnerability AssessmentAI

Recommended ActionAI

More from same product – last 7 days

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External POC / Exploit Code