What’s Vulnerable › Vulnerabilities

CVE-2020-21366

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-20 · updated 2026-06-17
• Weakness: CWE-352

Description

Cross Site Request Forgery vulnerability in GreenCMS v.2.3 allows an attacker to gain privileges via the adduser function of index.php.

Affected products

• GreenCMS: 2.3

References

• https://github.com/GreenCMS/GreenCMS/issues/115
• https://github.com/GreenCMS/GreenCMS/issues/115

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