Which versions of PHP are affected by CVE-2018-25194?

Nominas 0.27 contains a critical SQL injection vulnerability (CVE-2018-25194) that allows unauthenticated attackers to bypass authentication and execute arbitrary database commands, potentially…

Is there a public PoC exploit available for CVE-2018-25194?

Yes, a public proof-of-concept exploit is available for CVE-2018-25194. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2018-25194?

Within 24 hours: Identify all systems running Nominas 0.27 and isolate them from production networks if feasible; implement WAF rules blocking SQL injection patterns on the username parameter; disable public internet access to affected instances. Within 7 days: Conduct forensic audit of access logs for signs of exploitation; evaluate migration to alternative payroll software or verified secure versions. Within 30 days: Complete migration away from vulnerable version or implement compensating controls permanently; document all systems that cannot be patched and implement enhanced monitoring.

PHP CVE-2018-25194

Q: What is the CVSS score of CVE-2018-25194?

CVE-2018-25194 has a CVSS 4.0 base score of 8.8 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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%.

HIGH

Path Traversal (CWE-22)

2026-03-06 disclosure@vulncheck.com

PHP Path Traversal SQLi

8.8

CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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

CVSS changed

Apr 15, 2026 - 15:22 NVD

8.2 (HIGH) 8.8 (HIGH)

Analysis Generated

Mar 12, 2026 - 22:06 vuln.today

PoC Detected

Mar 09, 2026 - 13:35 vuln.today

Public exploit code

CVE Published

Mar 06, 2026 - 13:16 nvd

HIGH 8.2

DescriptionNVD

Nominas 0.27 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the username parameter. Attackers can send POST requests to the login/checklogin.php endpoint with crafted UNION-based SQL injection payloads to extract database information including usernames, database names, and version details.

AnalysisAI

Nominas 0.27 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the username parameter. [CVSS 8.2 HIGH]

Technical ContextAI

Classified as CWE-22 (Path Traversal). Nominas 0.27 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the username parameter. Attackers can send POST requests to the login/checklogin.php endpoint with crafted UNION-based SQL injection payloads to extract database information including usernames, database names, and version details.

Affected ProductsAI

Component: username.

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.

CVE-2018-25194 vulnerability details – vuln.today

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PHP CVE-2018-25194

CVSS VectorNVD

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DescriptionNVD

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PHP CVE-2018-25194

CVSS VectorNVD

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DescriptionNVD

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External POC / Exploit Code