CVE-2021-27564

MEDIUM 5.4CVE-2021-27564 · Published 22/02/2021 · updated 17/06/2026

In short

CVE-2021-27564 is a MEDIUM (CVSS 5.4) vulnerability affecting appspace (appspace).
Chance of exploitation in the next 30 days (EPSS): 0.54%, higher than 45.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
appspace appspace	`= 6.2.4`	No fix yet

Description

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.

References

viperbluff/Appspace-Ver-6.2.4-Stored-Xss · Exploit

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