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HIGH

CVE-2026-94104

NivoCart through 2.4.0 Arbitrary File Upload RCE via filemanager

CVSS v3

8.8

HIGH

EPSS Score

0.7 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

NivoCart through 2.4.0 contains an arbitrary file upload vulnerability in the File Manager multi() endpoint that fails to validate file extensions for new filenames or when chunks parameter is 2 or higher. Attackers with view-only back-office access can upload PHP files to the web-accessible image/data/ directory and execute them for remote code execution.

Technical details

Published
2026-09-20
Last Modified
2026-09-20

Frequently asked questions

What is CVE-2026-94104?

NivoCart through 2.4.0 contains an arbitrary file upload vulnerability in the File Manager multi() endpoint that fails to validate file extensions for new filenames or when chunks parameter is 2 or higher. Attackers with view-only back-office access can upload PHP files to the web-accessible image/data/ directory and execute them for remote code execution.

Is CVE-2026-94104 actively exploited?

Active exploitation of CVE-2026-94104 has not been confirmed. Its EPSS score was 0.7% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-94104?

CVE-2026-94104 has a CVSS v3 base score of 8.8 (HIGH severity).

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