CVE-2026-11520

LOW 3.5

SourceCodester Inventory System header.php cross site scripting

CVSS Score

3.5

EPSS Score

0.0%

EPSS Percentile

9th

A weakness has been identified in SourceCodester Inventory System 1.0. Affected by this issue is some unknown functionality of the file header.php. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Multiple parameters might be affected.

CWE	CWE-79 CWE-94
Vendor	sourcecodester
Product	inventory system
Published	Jun 8, 2026
Last Updated	Jun 9, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

SourceCodester / Inventory System

1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/369140 vuldb.com: https://vuldb.com/vuln/369140/cti vuldb.com: https://vuldb.com/cve/CVE-2026-11520 vuldb.com: https://vuldb.com/submit/836393 sourcecodester.com: https://www.sourcecodester.com/

Credits

🔍 Kamran Saifullah (VulDB User) VulDB Vulnerability Moderation Team