XSS in Galaxkey

CVE-2020-27509

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (42.6th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-27509?
CVE-2020-27509 is a medium-severity vulnerability in Galaxkey, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-06-26.
How severe is CVE-2020-27509?
Medium severity. CVSS v3 base score is 5.4 out of 10.