CVE-2019-18378 is a cross-site scripting (XSS) vulnerability affecting Symantec Messaging Gateway versions prior to 10.7.3. This medium-severity flaw (CVSS 4.8) allows authenticated attackers to inject client-side scripts, potentially bypassing access controls and leading to limited confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, suggesting it is not widely targeted. The vulnerability requires high privileges (PR:H) and user interaction (UI:R) for successful exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 10.7.3CPE matchmatch criteria | cpe:2.3:a:symantec:messaging_gateway:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/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.