CVE-2019-18378

4.8 mediumEPSS 0.7%

Medium (4.8) in symantec messaging gateway. EPSS 0.7% chance of exploitation in the next 30 days.

Symantec Messaging Gateway, prior to 10.7.3, may be susceptible to a cross-site scripting (XSS) exploit, which is a type of issue that can enable attackers to inject client-side scripts into web pages viewed by other users. A cross-site scripting vulnerability may be used by attackers to potentially bypass access controls such as the same-origin policy.

Severity

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2019-12-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

symantec:messaging_gateway

References

https://support.symantec.com/us/en/article.SYMSA1501.html
https://support.symantec.com/us/en/article.SYMSA1501.html

Check your stack JSON