CVE-2026-30562

| EUVD-2026-17101 CRITICAL
2026-03-30 mitre GHSA-5cjp-jw39-92hv
9.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

4
PoC Detected
Apr 01, 2026 - 16:23 vuln.today
Public exploit code
Analysis Generated
Mar 30, 2026 - 16:00 vuln.today
EUVD ID Assigned
Mar 30, 2026 - 16:00 euvd
EUVD-2026-17101
CVE Published
Mar 30, 2026 - 00:00 nvd
CRITICAL 9.3

Tags

XSS PHP

Description

A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the add_stock.php file via the "msg" parameter. The application fails to sanitize the input, allowing remote attackers to inject arbitrary web script or HTML via a crafted URL.

Analysis

Reflected Cross-Site Scripting (XSS) in SourceCodester Sales and Inventory System 1.0 allows remote attackers to inject arbitrary web script or HTML via the unvalidated 'msg' parameter in add_stock.php. The vulnerability is publicly demonstrated with available proof-of-concept code, enabling attackers to execute malicious scripts in users' browsers without requiring authentication or special privileges.

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Priority Score

67
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +46
POC: +20

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CVE-2026-30562 vulnerability details – vuln.today
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