What is the CVSS score of CVE-2020-37151?

CVE-2020-37151 has a CVSS 3.1 base score of 8.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of PHP are affected by CVE-2020-37151?

phpMyChat Plus 1.98 contains a critical SQL injection vulnerability that allows attackers to bypass authentication and access or modify sensitive database records.

Is there a public PoC exploit available for CVE-2020-37151?

Yes, a public proof-of-concept exploit is available for CVE-2020-37151. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2020-37151?

Within 24 hours: Disable or restrict access to the deluser.php page; audit logs for exploitation attempts; inventory all instances of phpMyChat Plus 1.98 in your environment. Within 7 days: Implement Web Application Firewall (WAF) rules to block SQL injection patterns targeting the pmc_username parameter; consider network segmentation to limit application access. Within 30 days: Migrate to alternative chat software or upgrade to a patched version if available; conduct forensic analysis to confirm no unauthorized database access occurred.

PHP CVE-2020-37151

HIGH

SQL Injection (CWE-89)

2026-02-05 disclosure@vulncheck.com

PHP SQLi Phpmychat Plus

8.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.2 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 20, 2026 - 15:41 vuln.today

Public exploit code

CVE Published

Feb 05, 2026 - 16:15 nvd

HIGH 8.2

DescriptionCVE.org

phpMyChat Plus 1.98 contains a SQL injection vulnerability in the deluser.php page through the pmc_username parameter that allows attackers to manipulate database queries. Attackers can exploit boolean-based, error-based, and time-based blind SQL injection techniques to extract sensitive database information by crafting malicious payloads in the username field.

AnalysisAI

phpMyChat Plus 1.98 contains a SQL injection vulnerability in the deluser.php page through the pmc_username parameter that allows attackers to manipulate database queries. [CVSS 8.2 HIGH]

Technical ContextAI

Classified as CWE-89 (SQL Injection). Affects the pmc_username component of Phpmychat-Plus. phpMyChat Plus 1.98 contains a SQL injection vulnerability in the deluser.php page through the pmc_username parameter that allows attackers to manipulate database queries. Attackers can exploit boolean-based, error-based, and time-based blind SQL injection techniques to extract sensitive database information by crafting malicious payloads in the username field.

RemediationAI

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

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CVE-2020-37151 vulnerability details – vuln.today

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PHP CVE-2020-37151

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

More from same product – last 7 days

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External POC / Exploit Code