EUVD-2026-67357
GHSA-mv85-7f73-2rv3
Severity by source
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
High privileges required to plant payload; victim admin interaction triggers execution in a separate browser session, constituting scope change; limited confidentiality and integrity impact only.
Primary rating from Vendor (WatchGuard).
CVSS VectorVendor: WatchGuard
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Stored XSS in WatchGuard Dimension's Trusted CA certificate configuration enables an authenticated administrator to inject persistent JavaScript that executes in the browser of other authenticated administrators. The attack requires high-privilege access to the management console to plant the payload and passive interaction from a victim administrator to trigger it, constraining the threat to insider abuse or compromised admin accounts. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated administrator account with write access to the Trusted CA certificate configuration in WatchGuard Dimension - confirmed as a high-privilege prerequisite (PR:H) in the CVSS 4.0 vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 4.8 with PR:H and UI:P accurately represents the constrained real-world risk: the attacker must already hold a valid high-privilege administrator account within Dimension to write the malicious certificate, and a separate victim administrator must subsequently view the affected page. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Consult the WatchGuard PSIRT advisory at https://psirt.watchguard.com/CVE-2026-78616 for vendor-issued patch details; no specific patched version number was confirmed in available intelligence data, so the advisory is the authoritative source. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
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WatchGuard Dimension's Web UI administrator passphrase change endpoint lacks CSRF protection, enabling full account take
Dimension versions 4.1.2 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary
Dimension versions 4.1.2 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary
Dimension versions 4.1.2 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary
Dimension versions 4.0.3 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary
Dimension versions 4.0.3 and earlier are affected by a Use After Free vulnerability that could result in arbitrary code
Dimension versions 3.4.11 and earlier are affected by an Untrusted Search Path vulnerability that could lead to arbitrar
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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