Which versions of PHP are affected by CVE-2026-2220?

A high-severity vulnerability in the Online Reviewer System's assessment module could allow unauthorized access to sensitive examination data and administrative functions.

Is there a public PoC exploit available for CVE-2026-2220?

Yes, a public proof-of-concept exploit is available for CVE-2026-2220. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-2220?

Within 24 hours: Isolate affected systems from production if possible; audit access logs for suspicious activity; notify all stakeholders of the risk. Within 7 days: Implement network segmentation to restrict access to the vulnerable assessment module; deploy WAF rules to block exploitation attempts; contact vendor for patch ETA and workarounds. Within 30 days: Apply vendor patch immediately upon release; conduct comprehensive security assessment of the assessment platform; review and strengthen access controls on administrative functions.

PHP CVE-2026-2220

Q: What is the CVSS score of CVE-2026-2220?

CVE-2026-2220 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)

2026-02-09 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

Feb 10, 2026 - 14:00 vuln.today

Public exploit code

CVE Published

Feb 09, 2026 - 07:16 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was identified in code-projects Online Reviewer System 1.0. This impacts an unknown function of the file /system/system/admins/assessments/pretest/btn_functions.php. Such manipulation of the argument difficulty_id leads to sql injection. The attack can be executed remotely. The exploit is publicly available and might be used.

AnalysisAI

SQL injection in code-projects Online Reviewer System 1.0 via the difficulty_id parameter in /system/system/admins/assessments/pretest/btn_functions.php 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 HTTP request to btn_functions.php

Exploit

Inject SQL payload in difficulty_id parameter

Execution

Bypass authentication logic

Impact

Extract sensitive database information

Access

Send HTTP request to btn_functions.php

Exploit

Inject SQL payload in difficulty_id parameter

Execution

Bypass authentication logic

Impact

Extract sensitive database information

Vulnerability AssessmentAI

Exploitation	code-projects Online Reviewer System 1.0 with /system/system/admins/assessments/pretest/btn_functions.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 (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 24 hours: Isolate affected systems from production if possible; audit access logs for suspicious activity; notify all stakeholders of the risk. …

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

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CVE-2026-2220 vulnerability details – vuln.today

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PHP CVE-2026-2220

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