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Vulnerabilities

Vulnerability · CVE-2026-75949

Unrestricted Upload of File with Dangerous Type

Published Sep 22, 2026 · catalog updated Sep 22, 2026 · J-BusinessDirectory extension for Joomla

Patch now

CVE-2026-75949 is in the CISA known-exploited catalog. Confirm J-BusinessDirectory extension for Joomla against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.43%
Remediation
Remediation guidance
Affected products
stated J-BusinessDirectory extension for Joomla · vendor cmsjunkie.com J-BusinessDirectory extension for Joomla

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated J-BusinessDirectory extension for Joomla< 6.2.3
  • vendor cmsjunkie.com J-BusinessDirectory extension for Joomlaversion unspecified

How to fix CVE-2026-75949

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-75949 is in the CISA known-exploited catalog. Confirm J-BusinessDirectory extension for Joomla against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with J-BusinessDirectory extension for Joomla < 6.2.3. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.43%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 22, 2026 · VulnCheck KEV

    Detected

    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.

  2. Sep 22, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2026-75949

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-75949

    30-day exploitation probability 0.4%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-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 exte

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.