CVE-2026-78195

Severity CVSS v4.0:

MEDIUM

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

28/08/2026

Last modified:

28/08/2026

Description

A Cross-Site Scripting (XSS) vulnerability in the WatchGuard Dimension Backup Historical Data feature allows an authenticated administrator user to execute arbitrary JavaScript in another user&#39;s browser.

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 5.10 MEDIUM
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): High
User Interaction (UI): None
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): Low
Integrity (SI): Low
Availability (SA): None

Base Score 4.0

5.10

Severity 4.0

MEDIUM

References to Advisories, Solutions, and Tools

https://psirt.watchguard.com/CVE-2026-78195