A Stored Cross-Site Scripting (XSS) vulnerability in WatchGuard Dimension's Trusted CA certificate configuration allows an authenticated administrator to execute arbitrary JavaScript in another authenticated administrator's web browser by saving a carefully crafted certificate.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
WatchGuard Dimension unaffected
Version Status Constraints
2.0 affected < 2.3.1

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Project Subscriptions

Vendors Products
Watchguard Subscribe
Dimension Subscribe
Advisories

No advisories yet.

Fixes

Solution

Dimension 2.3.1

Workaround

No workaround given by the vendor.

References
Link Providers
https://psirt.watchguard.com/CVE-2026-78616 cve-icon cve-icon
History

Thu, 27 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
Description A Stored Cross-Site Scripting (XSS) vulnerability in WatchGuard Dimension's Trusted CA certificate configuration allows an authenticated administrator to execute arbitrary JavaScript in another authenticated administrator's web browser by saving a carefully crafted certificate.
Title Dimension Stored XSS via Trusted CA Certificate Configuration
First Time appeared Watchguard
Watchguard dimension
Weaknesses CWE-79
CPEs cpe:2.3:a:watchguard:dimension:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard dimension
References
Metrics cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2026-08-27T23:26:31.756Z

Reserved: 2026-08-24T21:18:58.288Z

Link: CVE-2026-78616

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-28T02:16:24.317

Modified: 2026-08-28T02:16:24.317

Link: CVE-2026-78616

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T07:30:07Z

Weaknesses