CVE-2021-20667 — MEDIUM (5.4)

Q: How severe is CVE-2021-20667?

CVE-2021-20667 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-20667?

Check the references section above for vendor advisories and patch information. Affected products include: Weseek Growi.

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Weseek	Growi	<= 4.2.2

Related Weaknesses (CWE)

CWE-79

References

https://jvn.jp/en/vu/JVNVU94889258/index.htmlThird Party Advisory
https://weseek.co.jp/security/2021/03/08/vulnerability/growi-prevent-multiple-xsVendor Advisory
https://jvn.jp/en/vu/JVNVU94889258/index.htmlThird Party Advisory
https://weseek.co.jp/security/2021/03/08/vulnerability/growi-prevent-multiple-xsVendor Advisory

FAQ

What is CVE-2021-20667?

CVE-2021-20667 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 arbitrar...

How severe is CVE-2021-20667?

CVE-2021-20667 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20667?

Check the references section above for vendor advisories and patch information. Affected products include: Weseek Growi.