by Kastro
Paper/Archive/CVE-2026-57309

CVE-2026-57309

JCD Windu CMS — Blind SQL Injection in Windu CMS

EPSS 0.5%CVSS 9.3
critical.is priorityof 100
37
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 44.9.449 × 209.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Windu CMS4.1–CNA

Scores by source

CERT-PL (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

writeupcert.pl/posts/2026/07/CVE-2026-57309refwindu.org