CVE-2026-9411

MEDIUM 5.3 PoC AVAILABLE

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

A vulnerability was found in SourceCodester Indian Invoicing System 1.0. This issue affects some unknown processing of the file /Invoicing/IGST_Invoice.php of the component Invoice Generation Handler. Performing a manipulation of the argument customer_name/category results in sql injection. The attack can be initiated remotely. The exploit has been made public and could be used.

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

5.3CVSS 4.0 · MEDIUM

ConfidentialityLow
IntegrityLow
AvailabilityLow

What an attacker needs

✓Access: Reachable over the network — no local access needed
⚠Privileges: Requires a low-privilege account
✓User interaction: No user interaction needed
✓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/f60dfb9fc65a98ad6dde1840dc2c1a5e

Listed for defensive triage and patch prioritization.

Affected

Vendors Sourcecodester

Products Indian Invoicing System

Weakness (CWE)

CWE-89: SQL injection
CWE-74: Injection

CVSS vector

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

References

Sources: NVD · CVE.org · EPSS