Which versions of PHP are affected by CVE-2026-0852?

Organizations using A security flaw face moderate risk from CVE-2026-0852, a injection vulnerability rated CVSS 7.3.

Is there a public PoC exploit available for CVE-2026-0852?

Yes, a public proof-of-concept exploit is available for CVE-2026-0852. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-0852?

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

PHP CVE-2026-0852

Q: What is the CVSS score of CVE-2026-0852?

CVE-2026-0852 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)

2026-01-12 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 14, 2026 - 22:19 vuln.today

Public exploit code

CVE Published

Jan 12, 2026 - 01:15 nvd

HIGH 7.3

DescriptionCVE.org

A security flaw has been discovered in code-projects Online Music Site 1.0. The impacted element is an unknown function of the file /Administrator/PHP/AdminUpdateUser.php. The manipulation of the argument ID results in sql injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

AnalysisAI

SQL injection in Online Music Site 1.0's AdminUpdateUser.php allows unauthenticated remote attackers to manipulate the ID parameter and execute arbitrary database queries. Public exploit code exists for this vulnerability, and no patch is currently available. …

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Attack chain visualization
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Send crafted HTTP request with malicious ID parameter

Exploit

Inject SQL code into AdminUpdateUser.php

Execution

Execute arbitrary SQL commands

Impact

Extract or modify database records

Access

Send crafted HTTP request with malicious ID parameter

Exploit

Inject SQL code into AdminUpdateUser.php

Execution

Execute arbitrary SQL commands

Impact

Extract or modify database records

Vulnerability AssessmentAI

Exploitation	code-projects Online Music Site 1.0 with /Administrator/PHP/AdminUpdateUser.php endpoint accessible without authentication. … 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 (requires authentication) 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-2026-0852 vulnerability details – vuln.today

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PHP CVE-2026-0852

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