TI-2020-16683 Aliases CVE-2020-27509 GHSA-7g3q-7795-xgcj

Persistent XSS in Galaxkey Secure Mail Client in Galaxkey up to 5.6.11.5 allows an…

LOW 25CWE-79Published 2022-06-26 · Updated 2026-07-09

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

Persistent XSS in Galaxkey Secure Mail Client in Galaxkey up to 5.6.11.5 allows an attacker to perform an account takeover by intercepting the HTTP Post request when sending an email and injecting a specially crafted XSS payload in the 'subject' field. The payload executes when the recipient logs into their mailbox.

Why it matters now

EPSS 0.00579 47th percentileScored 2026-11-07

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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:galaxkey:galaxkey::::::::	before 5.6.11.5	Vulnerable	Galaxkey

cpe:2.3:a:galaxkey:galaxkey:*:*:*:*:*:*:*:* Versions before 5.6.11.5 Vulnerable ·Galaxkey

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-27509
2026-10-03 Alias added: GHSA-7g3q-7795-xgcj

References

Other 1

https://medium.com/@tomhulme_74888/persistent-cross-site-scripting-leading-to-full-account-takeover-on-galaxkey-v5-6-11-4-8bf96be35b54

Sources

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