What is the CVSS score of CVE-2025-63892?

CVE-2025-63892 has a CVSS 3.1 base score of 6.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of PHP are affected by CVE-2025-63892?

Organizations using A vulnerability should be aware of notable risk from CVE-2025-63892, a cross-site scripting vulnerability rated CVSS 6.8.

Is there a public PoC exploit available for CVE-2025-63892?

Yes, a public proof-of-concept exploit is available for CVE-2025-63892. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-63892?

Within 7 days: Identify affected systems and apply vendor patches promptly. Verify Content-Security-Policy and output encoding.

PHP CVE-2025-63892

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-11-18 cve@mitre.org

PHP XSS Student Grades Management System

6.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:22 vuln.today

PoC Detected

Nov 20, 2025 - 21:51 vuln.today

Public exploit code

CVE Published

Nov 18, 2025 - 15:16 nvd

MEDIUM 6.8

DescriptionCVE.org

A vulnerability was determined in SourceCodester Student Grades Management System 1.0. Affected is the function create_classroom of the file /classroom.php of the component My Classrooms Management Page. This manipulation of the argument name/description causes stored cross site scripting.

AnalysisAI

A vulnerability was determined in SourceCodester Student Grades Management System 1.0. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A vulnerability was determined in SourceCodester Student Grades Management System 1.0. Affected is the function create_classroom of the file /classroom.php of the component My Classrooms Management Page. This manipulation of the argument name/description causes stored cross site scripting. Affected products include: Remyandrade Student Grades Management System.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

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CVE-2025-63892 vulnerability details – vuln.today

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PHP CVE-2025-63892

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code