Quick answers
- Is CVE-2026-78047 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-78047 being exploited in the wild.
- How severe is CVE-2026-78047?
- Informational severity, with a CVSS score of 5.1, published 28 August 2026.
- Which products and versions are affected?
- Watchguard Dimension 2.0 through 2.3.0.
- Is there a fix for CVE-2026-78047?
- A patch was published on 2026-08-27: Fixed in Dimension 2.3.1 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-78047 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-78047?
- Check whether you run Watchguard Dimension at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This is a stored cross-site scripting (CWE-79) vulnerability in WatchGuard Dimension's task scheduling feature. A low-privileged authenticated administrator can inject arbitrary HTML and JavaScript into task scheduling fields; the injected payload is stored and later executed in the browser context of any other user who accesses or views the scheduled report. The attack requires valid administrative credentials and user interaction (viewing the report). The vulnerability affects Dimension versions 2.0 through 2.3.0; a patch is available in version 2.3.1.
Affected products
- WatchGuard Dimension 2.0 through 2.3.0
Timeline
- 2026-08-27: disclosed
- 2026-08-27: patched: Fixed in Dimension 2.3.1