What is CVE-2021-20667?

CVE-2021-20667 is a medium-severity vulnerability in Weseek Growi, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-03-10.

How severe is CVE-2021-20667?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Weseek Growi

CVE-2021-20667

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (48.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weseek Growi
Weseek, Inc. Growi — versions versions v4.2.2 and earlier

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-20667?: CVE-2021-20667 is a medium-severity vulnerability in Weseek Growi, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-03-10.
How severe is CVE-2021-20667?: Medium severity. CVSS v3 base score is 5.4 out of 10.