What is CVE-2022-25630?

CVE-2022-25630 is a medium-severity vulnerability in Symantec Messaging Gateway, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-12-09.

How severe is CVE-2022-25630?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Symantec Messaging Gateway

CVE-2022-25630

An authenticated user can embed malicious content with XSS into the admin group policy page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-12-09 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.015 (73.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000

Affected products

Symantec Messaging Gateway
Symantec Messaging Gateway — versions All releases prior to SMG 10.8

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2022-25630?: CVE-2022-25630 is a medium-severity vulnerability in Symantec Messaging Gateway, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-12-09.
How severe is CVE-2022-25630?: Medium severity. CVSS v3 base score is 5.4 out of 10.