What’s Vulnerable › Vulnerabilities

CVE-2020-21474

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-20 · updated 2026-06-17
• Weakness: CWE-434

Description

File Upload vulnerability in NucleusCMS v.3.71 allows a remote attacker to execute arbitrary code via the /nucleus/plugins/skinfiles/?dir=rsd parameter.

Affected products

• Nucleuscms: 3.71

References

• https://github.com/NucleusCMS/NucleusCMS/issues/95
• https://github.com/NucleusCMS/NucleusCMS/issues/95

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