Which versions of PHP are affected by CVE-2026-0546?

Organizations using A vulnerability face moderate risk from CVE-2026-0546, a injection vulnerability rated CVSS 7.3.

Is there a public PoC exploit available for CVE-2026-0546?

Yes, a public proof-of-concept exploit is available for CVE-2026-0546. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-0546?

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

PHP CVE-2026-0546

Q: What is the CVSS score of CVE-2026-0546?

CVE-2026-0546 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)

2026-01-02 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 15, 2026 - 16:41 vuln.today

Public exploit code

CVE Published

Jan 02, 2026 - 09:15 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was determined in code-projects Content Management System 1.0. This impacts an unknown function of the file search.php. This manipulation of the argument Value causes sql injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

AnalysisAI

SQL injection in code-projects Content Management System 1.0 via the search.php parameter allows unauthenticated remote attackers to manipulate database queries and potentially extract sensitive data or modify database contents. Public exploit code exists for this vulnerability, and no patch is currently available. …

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Risk assessment & exploitation conditions
Attack chain visualization
Remediation with exact patch versions
Threat intelligence from 22 sources
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Send crafted HTTP request to search.php

Exploit

Inject malicious SQL in Value parameter

Execution

Execute arbitrary SQL queries

Impact

Extract or modify database contents

Access

Send crafted HTTP request to search.php

Exploit

Inject malicious SQL in Value parameter

Execution

Execute arbitrary SQL queries

Impact

Extract or modify database contents

Vulnerability AssessmentAI

Exploitation	code-projects Content Management System 1.0 with search.php endpoint accessible. … 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 vulnerability to compromise the affected system.
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-2026-0546 vulnerability details – vuln.today

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PHP CVE-2026-0546

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