CVE-2026-9414

MEDIUM 5.1 PoC AVAILABLE

Published 2026-05-25 · Last modified 2026-05-26

A security flaw has been discovered in SourceCodester Indian Invoicing System up to 0.x/1.0. The impacted element is an unknown function of the file /Invoicing/add_order.php of the component Invoice Template Render Database-Backed. The manipulation of the argument customer_name results in cross site scripting. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 9th percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

5.1CVSS 4.0 · MEDIUM

ConfidentialityNone
IntegrityLow
AvailabilityNone

What an attacker needs

✓Access: Reachable over the network — no local access needed
⚠Privileges: Requires a low-privilege account
⚠User interaction: Succeeds with passive user activity
✓Complexity: No special conditions — reliably repeatable
✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

PoC https://gist.github.com/c4ttr4ck/97c5babe1f16fa3243333528a40b7550

Listed for defensive triage and patch prioritization.

Affected

Vendors Sourcecodester

Products Indian Invoicing System

Weakness (CWE)

CWE-79: Cross-site scripting (XSS)
CWE-94: Code injection

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

References

Sources: NVD · CVE.org · EPSS