CVE-2026-57309 | A Blind SQL injection vulnerability has been identified in W… | CVSS 9.3 CRITICAL

Description

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.

Metadata

CVE ID: CVE-2026-57309
State: PUBLISHED
Assigner: CERT-PL
Reserved: 2026-06-24 12:12 UTC
Published: 2026-07-20 12:52 UTC
Last updated: 2026-07-20 15:41 UTC
Primary CWE: CWE-89
CWE-89 Improper Neutralization of Special Elements used in a…
Vendor / Product: JCD / Windu CMS
Sources: cve.org · NVD

Severity & Metrics

9.3 CRITICAL CVSS 4.0

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
JCD	Windu CMS	—	4.1

Weakness (CWE)

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

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.3	CRITICAL	4.0	cna	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

References (2)