CVE-2026-30557

| EUVD-2026-17096 MEDIUM
2026-03-30 mitre GHSA-qj64-x78v-v8w2
6.1
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

4
PoC Detected
Apr 06, 2026 - 14:16 vuln.today
Public exploit code
Analysis Generated
Mar 30, 2026 - 16:00 vuln.today
EUVD ID Assigned
Mar 30, 2026 - 16:00 euvd
EUVD-2026-17096
CVE Published
Mar 30, 2026 - 00:00 nvd
MEDIUM 6.1

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_category.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 JavaScript or HTML through an unsanitized 'msg' parameter in add_category.php, enabling session hijacking, credential theft, or malware distribution via malicious URLs. Publicly available exploit code exists, increasing real-world attack likelihood despite the absence of formal CVSS scoring or CVE severity data.

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Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +30
POC: +20

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CVE-2026-30557 vulnerability details – vuln.today
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