XSS in Appspace

CVE-2021-27564

A stored XSS issue exists in Appspace 6.2.4. After a user is authenticated and enters an XSS payload under the groups section of the network tab, it is stored as the group name. Whenever another member visits that group, this payload executes.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (41.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Appspace — versions 6.2.4
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-27564?
CVE-2021-27564 is a medium-severity vulnerability in Appspace, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-02-22.
How severe is CVE-2021-27564?
Medium severity. CVSS v3 base score is 5.4 out of 10.