CVE-2026-11518

MEDIUM

SourceCodester Inventory System User Management users.php cross site scripting

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-11518. PoCs published by Xmyronn.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2026-11518, a stored XSS vulnerability in the Inventory System using PHP and MySQL by SourceCodester. It includes root cause analysis, attack scenarios, proof-of-concept steps, and remediation guidance.

Description

A vulnerability was identified in SourceCodester Inventory System 1.0. Affected is an unknown function of the file /users.php of the component User Management Page. The manipulation of the argument fullname/username leads to cross site scripting. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

Exploits (1)

nomisec WRITEUP
by Xmyronn · poc
https://github.com/Xmyronn/CVE-2026-11518-XSS

This repository provides a detailed technical analysis of CVE-2026-11518, a stored XSS vulnerability in the Inventory System using PHP and MySQL by SourceCodester. It includes root cause analysis, attack scenarios, proof-of-concept steps, and remediation guidance.

Classification
Writeup 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Inventory System using PHP and MySQL 1.0
No auth needed
Prerequisites: Access to the registration page · Admin interaction with the User Management page
mistral-large-3 · analyzed Jul 02, 2026 Full analysis →

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-369138 | SourceCodester Inventory System User Management users.php cross site scripting
https://vuldb.com/vuln/369138
Signature, Permissions Required signature permissions-required
VDB-369138 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/369138/cti
Third Party Advisory third-party-advisory
CVE-2026-11518 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-11518
Third Party Advisory third-party-advisory
Submit #836289 | SourceCodester Inventory System using PHP and MySQL Source Code 1.0 Cross Site Scripting
https://vuldb.com/submit/836289

Scores

CVSS v3 4.3
EPSS 0.0039
EPSS Percentile 31.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79 CWE-94
Status published
Products (1)
SourceCodester/Inventory System 1.0
Published Jun 08, 2026
Tracked Since Jun 08, 2026