What’s Vulnerable › Vulnerabilities

CVE-2021-20654

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-10 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• WeKan: from 3.12 through 4.11

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/

Get alerted when CVE-2021-20654 or the next vulnerability affects your stack