Medium severity · published Feb 10, 2021
CVE-2021-20654
Wekan, open source kanban board system, between version 3.12 and 4.11, is vulnerable to multiple stored cross-site scripting
5.4
CVSS
0.8%
EPSS
No
On KEV
Description
Wekan, open source kanban board system, between version 3.12 and 4.11, is vulnerable to multiple stored cross-site scripting. This is named 'Fieldbleed' in the vendor's site.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
Wekan · Wekan Project
3.12 through 4.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20654
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20654
Third Party Advisory
https://jvn.jp/en/jp/JVN80785288/
Exploit
https://wekan.github.io/hall-of-fame/fieldbleed/
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