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TI-2021-09020 Aliases CVE-2021-27564GHSA-9pcq-r26w-9482

A stored XSS issue exists in Appspace 6.2.4.

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00541 45th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:appspace:appspace:6.2.4:*:*:*:*:*:*:*6.2.4VulnerableAppspace
  • cpe:2.3:a:appspace:appspace:6.2.4:*:*:*:*:*:*:* Versions 6.2.4 Vulnerable ·Appspace

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27564
  2. 2026-10-03 Alias added: GHSA-9pcq-r26w-9482

References

Exploit 1

  • TI-2021-09115 Appspace 6.2.4 allows SSRF via the api/v1/core/proxy/jsonprequest url parameter. CVSS 3.1CRITICAL 9.8
  • TI-2021-09294 Appspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as… CVSS 3.1HIGH 7.5
  • TI-2021-09133 Appspace 6.2.4 is affected by Incorrect Access Control via the Appspace Web Portal password reset page. CVSS 3.1MEDIUM 6.5
  • TI-2021-09293 Appspace 6.2.4 is vulnerable to stored cross-site scripting (XSS) in multiple parameters… CVSS 3.1MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences