CVE-2020-27509 describes a persistent cross-site scripting (XSS) vulnerability in Galaxkey Secure Mail Client versions up to 5.6.11.5. An attacker can achieve account takeover by injecting a malicious XSS payload into the email subject field during an intercepted HTTP POST request, which then executes when the recipient logs into their mailbox. This medium-severity vulnerability (CVSS 5.4) requires user interaction and network access, but has a low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.6.11.5CPE matchmatch criteria | cpe:2.3:a:galaxkey:galaxkey:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.