What’s Vulnerable › Vulnerabilities

CVE-2021-20667

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-10 · updated 2026-06-17
• Weakness: CWE-79

Description

Stored cross-site scripting vulnerability due to inadequate CSP (Content Security Policy) configuration in GROWI versions v4.2.2 and earlier allows remote authenticated attackers to inject an arbitrary script via a specially crafted content.

Affected products

• WESEEK, Inc. GROWI: through 4.2.2

References

• https://jvn.jp/en/vu/JVNVU94889258/index.html
• https://weseek.co.jp/security/2021/03/08/vulnerability/growi-prevent-multiple-xss/
• https://jvn.jp/en/vu/JVNVU94889258/index.html
• https://weseek.co.jp/security/2021/03/08/vulnerability/growi-prevent-multiple-xss/

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