Vulnerability CVE-2021-20829
Published: 2021-09-21

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.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Weseek -> Growi 

 References:
https://jvn.jp/en/vu/JVNVU94889258/index.html
https://weseek.co.jp/security/2021/09/17/vulnerability/growi-prevent-multiple-xss-addition/
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