CVE-2026-57309 PUBLISHED

Blind SQL Injection in Windu CMS

Assigner: CERT-PL
Reserved: 24.06.2026 Published: 20.07.2026 Updated: 20.07.2026

A Blind SQL injection vulnerability has been identified in Windu CMS. A remote unauthenticated attacker is able to inject SQL syntax into URL path in HTTP header resulting in Blind SQL Injection.

Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 4.1 but may also affect other versions.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	JCD
Product	Windu CMS
Versions	Default: unknown Version 4.1 is affected

Credits

Jakub Lipiński finder
Marek Tołczyk finder
Kamil Królikowski finder

References

Problem Types

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE

Impacts

CAPEC-7 Blind SQL Injection