TI-2026-23554 Aliases CVE-2026-30556 GHSA-4cq8-w5ch-hhg7

A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and…

MEDIUM 60CWE-79Published 2026-03-30 · Updated 2026-03-31

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the index.php file via the "msg" parameter. The application fails to sanitize the input, allowing remote attackers to inject arbitrary web script or HTML via a crafted URL.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00261 18th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ahsanriaz26gmailcom:sales_and_inventory_system:1.0:::::::*	1.0	Vulnerable	Ahsanriaz26gmailcom

cpe:2.3:a:ahsanriaz26gmailcom:sales_and_inventory_system:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Ahsanriaz26gmailcom

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-30556
2026-10-03 Alias added: GHSA-4cq8-w5ch-hhg7

References

Exploit 1

https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-Index-msg.md

TI-2026-23560 A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and… CVSS 3.1CRITICAL 9.3
TI-2026-23564 A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and… CVSS 3.1MEDIUM 6.1
TI-2026-23563 A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and… CVSS 3.1MEDIUM 6.1
TI-2026-23562 A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and… CVSS 3.1MEDIUM 6.1
TI-2026-23561 A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and… CVSS 3.1MEDIUM 6.1
TI-2026-23559 A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and… CVSS 3.1MEDIUM 6.1

See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences