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CRITICAL

CVE-2023-50104

CVSS v3

9.8

CRITICAL

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

ZZCMS 2023 has a file upload vulnerability in 3/E_bak5.1/upload/index.php, allowing attackers to exploit this loophole to gain server privileges and execute arbitrary code.

Technical details

Published
2023-12-29

Frequently asked questions

What is CVE-2023-50104?

ZZCMS 2023 has a file upload vulnerability in 3/E_bak5.1/upload/index.php, allowing attackers to exploit this loophole to gain server privileges and execute arbitrary code.

Is CVE-2023-50104 actively exploited?

Active exploitation of CVE-2023-50104 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-50104?

CVE-2023-50104 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-50104 affecting your environment?

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