CVE-2021-20667

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Vendor Advisory co.jp
Affected: WESEEK, Inc. GROWI
Published at:
Updated at:

References

Link Tags
https://weseek.co.jp/security/2021/03/08/vulnerability/growi-prevent-multiple-xss/ vendor advisory
https://jvn.jp/en/vu/JVNVU94889258/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20667?
CVE-2021-20667 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20667?
To fix CVE-2021-20667, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20667 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20667 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20667?
CVE-2021-20667 affects WESEEK, Inc. GROWI.
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