CVE-2021-20829 — MEDIUM (6.1)

Q: How severe is CVE-2021-20829?

CVE-2021-20829 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-20829?

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

Vulnerability Description

Cross-site scripting vulnerability due to the inadequate tag sanitization in GROWI versions v4.2.19 and earlier allows remote attackers to execute an arbitrary script on the web browser of the user who accesses a specially crafted page.

CVSS Score

6.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Weseek	Growi	<= 4.2.19

Related Weaknesses (CWE)

CWE-79

References

https://jvn.jp/en/vu/JVNVU94889258/index.htmlThird Party Advisory
https://weseek.co.jp/security/2021/09/17/vulnerability/growi-prevent-multiple-xsVendor Advisory
https://jvn.jp/en/vu/JVNVU94889258/index.htmlThird Party Advisory
https://weseek.co.jp/security/2021/09/17/vulnerability/growi-prevent-multiple-xsVendor Advisory

FAQ

What is CVE-2021-20829?

CVE-2021-20829 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Cross-site scripting vulnerability due to the inadequate tag sanitization in GROWI versions v4.2.19 and earlier allows remote attackers to execute an arbitrary script on the web browser of the user wh...

How severe is CVE-2021-20829?

CVE-2021-20829 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20829?

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