CVE-2026-78616: CWE-79 in WatchGuard Dimension
Description
CVE-2026-78616 is a stored cross-site scripting (XSS) vulnerability in WatchGuard Dimension version 2.0. It allows an authenticated administrator to inject arbitrary JavaScript into the Trusted CA certificate configuration, which can then execute in another authenticated administrator's browser. The vulnerability requires administrator privileges and user interaction to exploit. The CVSS 4.0 base score is 4.8, indicating a medium severity level.
CVSS v4.0
Score 4.8medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in WatchGuard Dimension 2.0 involves stored XSS in the Trusted CA certificate configuration interface. An authenticated administrator can save a specially crafted certificate containing malicious JavaScript code. When another authenticated administrator views this configuration, the script executes in their browser context, potentially leading to session hijacking or other script-based attacks. The vulnerability requires high privileges (administrator) and user interaction, with low impact on confidentiality and integrity.
Potential Impact
An attacker with administrator access can execute arbitrary JavaScript in the browsers of other administrators, potentially leading to session hijacking or unauthorized actions within the administrative interface. The impact is limited by the need for administrator privileges and user interaction, and the vulnerability has low impact on confidentiality and integrity.
Mitigation Recommendations
No official patch or fix is currently documented. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict administrator access to trusted personnel only and avoid loading untrusted certificates. Monitor vendor communications for updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-mv85-7f73-2rv3
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-78616"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 4.0
Threat ID: 6a91a7d0acd9273b49065757
Added to database: 08/28/2026, 15:22:56 UTC
Last enriched: 09/10/2026, 00:22:56 UTC
Last updated: 10/10/2026, 18:48:22 UTC
Views: 33
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