CVE-2021-20654

5.4 mediumEPSS 0.8%

Medium (5.4) in wekan project wekan. EPSS 0.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-02-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wekan_project:wekan

References

https://jvn.jp/en/jp/JVN80785288/
https://wekan.github.io/hall-of-fame/fieldbleed/
https://jvn.jp/en/jp/JVN80785288/
https://wekan.github.io/hall-of-fame/fieldbleed/

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