What’s Vulnerable › Vulnerabilities

CVE-2021-43421

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 42.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-07 · updated 2026-06-17
• Weakness: CWE-434

Description

A File Upload vulnerability exists in Studio-42 elFinder 2.0.4 to 2.1.59 via connector.minimal.php, which allows a remote malicious user to upload arbitrary files and execute PHP code.

Affected products

• Studio-42 elFinder: from 2.0.4 through 2.1.59

References

• https://github.com/Studio-42/elFinder/issues/3429
• https://twitter.com/infosec_90/status/1455180286354919425
• https://github.com/Studio-42/elFinder/issues/3429
• https://twitter.com/infosec_90/status/1455180286354919425

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