CVE-2026-78615 WatchGuard Dimension Reflected DOM-Based XSS in Report Detail Page
An attacker can execute arbitrary JavaScript in an authenticated user's browser via a crafted URL in WatchGuard Dimension's report detail page.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-78615?
CVE-2026-78615 is a medium-severity cross-site scripting vulnerability in WatchGuard Dimension, published on 27 Aug 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A Reflected Cross-Site Scripting (XSS) vulnerability in WatchGuard Dimension's report detail page allows an attacker to execute arbitrary JavaScript in a authenticated user's browser with a specially crafted URL.
Weakness: CWE-79
Which versions are affected by CVE-2026-78615?
How do I fix CVE-2026-78615?
No fix has been published for CVE-2026-78615 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-78615 being exploited?
There is no known exploitation of CVE-2026-78615 in the wild and no public exploit code.
Sources
Also known as GHSA-8j8f-846h-p954.