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10.0
CRITICAL • CVSS 4.0

CVE-2026-75949

Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3 - Upload/remove accepted a client-controlled root (_path_type could point at the component site/admin trees), did not enforce path containment, and used a weak extension check. CSRF token was also missing on upload/remove.

Prioritization

NVD CVSS
10.0
Published
Aug 19, 2026 11:18 AM EDT
Modified
Aug 21, 2026 1:16 PM EDT
CISA KEV
No

Red Hat context

No Red Hat-specific cached context is available for this record.

DEFENSIVE REMEDIATION WORKFLOW

Recommended response

  1. Identify affected assets with Qualys, Tanium, software inventory, CMDB or configuration-management data.
  2. Confirm package/application applicability before change execution; CVSS alone does not prove that every host is vulnerable.
  3. Patch, upgrade, rehydrate or apply a vendor-approved mitigation through controlled change. GraceITS can automate eligible waves with Ansible/Tanium.
  4. Rescan after remediation and reconcile remaining exceptions, false positives, unsupported systems and compensating controls.
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