Vulnerability · Published Aug 27, 2026 · Assigned by WatchGuard
CVE-2026-78047Dimension Stored XSS in Scheduled Report Task
Medium 5.1
In plain English
A medium-severity cross-site scripting in Dimension from WatchGuard. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.4%top 61.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A stored cross-site scripting (XSS) vulnerability in WatchGuard Dimension's task scheduling feature allows a low-privileged authenticated administrator to inject arbitrary HTML/JavaScript into these fields, which then executes in the browser session of any other user.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WatchGuard | Dimension | 2.0 – before 2.3.1 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L
References
- https://psirt.watchguard.com/CVE-2026-78047 vendor-advisory