Cross-Site Scripting Vulnerability in SourceCodester Indian Invoicing System
CVE-2026-9413

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Indian Invoicing System
Vendor
CVE Published:
25 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9413?

A vulnerability exists in the functionality of the SourceCodester Indian Invoicing System 1.0, specifically within the /Invoicing/category.php file. An unknown function processes user input in a way that allows cross-site scripting (XSS) attacks. When an attacker manipulates the 'msg' argument, they can craft a request that leads to the execution of malicious scripts in the web browser of users viewing the affected applications. This vulnerability enables remote exploitation due to publicly available exploits, posing significant risks to users' data and application integrity.

Affected Version(s)

Indian Invoicing System 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-9413 - Proof of Concept

References

https://vuldb.com/vuln/365394
vdb-entrytechnical-description
https://vuldb.com/vuln/365394/cti
signaturepermissions-required
https://vuldb.com/submit/813609
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

c4ttr4ck (VulDB User)
.