CVE-2026-30526

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

01/04/2026

Last modified:

01/04/2026

Description

A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Zoo Management System v1.0. The vulnerability is located in the login page, specifically within the msg parameter. The application reflects the content of the msg parameter back to the user without proper HTML encoding or sanitization. This allows remote attackers to inject arbitrary web script or HTML via a crafted URL.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.10 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

6.10

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://github.com/meifukun/Web-Security-PoCs/blob/main/Zoo-Management-System/Reflected-XSS-Login-msg.md