# CVE-2026-78615: WatchGuard Dimension reflected XSS in report detail page

Source: https://junglewise.ai/threats/cve-2026-78615-watchguard-dimension-reflected-xss-in-report-detail-page  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-28. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-78615 · Severity: info · CVSS 4.6 · Published 2026-08-28

WatchGuard Dimension is a network monitoring and analytics platform used by enterprises to manage security data. A reflected cross-site scripting vulnerability in the report detail page allows an attacker to trick authenticated users into clicking a malicious link, which would execute arbitrary JavaScript in their browser and potentially steal sensitive data or perform unauthorized actions on their behalf.

Technologies: [Watchguard Dimension](https://junglewise.ai/threats/technologies/dimension). Vendors: [Watchguard](https://junglewise.ai/threats/vendors/watchguard).

## Quick answers

**Is CVE-2026-78615 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-78615 being exploited in the wild.

**How severe is CVE-2026-78615?** Informational severity, with a CVSS score of 4.6, published 28 August 2026.

**Which products and versions are affected?** Watchguard Dimension 2.0 through 2.3.0.

**Is there a fix for CVE-2026-78615?** A patch was published on 2026-08-27: Fixed in version 2.3.1 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-78615 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-78615?** 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 reflected DOM-based cross-site scripting (XSS) vulnerability (CWE-79) in WatchGuard Dimension's report detail page. The vulnerability allows an attacker to craft a malicious URL that, when clicked by an authenticated user, injects and executes arbitrary JavaScript in the victim's browser context. Exploitation requires user interaction (clicking a link) and an authenticated session. An attacker can use this to steal session tokens, perform actions as the authenticated user, or exfiltrate sensitive security data. The vulnerability affects Dimension versions 2.0 through 2.3.0; WatchGuard released a patch 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 version 2.3.1

## References

- [https://psirt.watchguard.com/CVE-2026-78615](https://psirt.watchguard.com/CVE-2026-78615)

## Related threats

- [WatchGuard Dimension business logic flaw in backend operations](https://junglewise.ai/threats/cve-2026-78618-watchguard-dimension-business-logic-flaw-in-backend-operations)
- [WatchGuard Dimension missing rate-limiting on web login](https://junglewise.ai/threats/cve-2026-78617-watchguard-dimension-missing-rate-limiting-on-web-login)
- [WatchGuard Dimension stored XSS in Trusted CA certificate configuration](https://junglewise.ai/threats/cve-2026-78616-watchguard-dimension-stored-xss-in-trusted-ca-certificate)
- [WatchGuard Dimension SQL injection in audit report feature](https://junglewise.ai/threats/cve-2026-78614-watchguard-dimension-sql-injection-in-audit-report-feature)
- [WatchGuard Dimension SQL injection in log viewer](https://junglewise.ai/threats/cve-2026-78613-watchguard-dimension-sql-injection-in-log-viewer)