CVE-2026-7569

HIGH

CVSS v3.1: 8.8 · EPSS: 0.0070 (48.6 percentile)

NetworkNo privilegesXSSVendor advisory ref

Source data as of:

At a glance

Severity
HIGH
CVSS
8.8 v3.1 · NVD
EPSS
0.0070 (48.6 percentile) · FIRST.org
CISA KEV
No
Type
XSS · NVD CWE
Attack conditions (CVSS vector)
NetworkNo privileges · Source: NVD Vector
Published
2026-06-25 · Modified: 2026-06-25

CVSS / EPSS / KEV

CVSS v3.1 8.8 / 10 HIGH Source: NVD
EPSS 0.0070 48.6 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

Quest NetVault Backup viewclient Cross-Site Scripting Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Quest NetVault Backup. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the viewclient webpage. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-28202.

Record details

CVE ID
CVE-2026-7569
CVSS (v3.1)
8.8 (HIGH)
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore
2.8
Impact subscore
5.9
EPSS
0.0070 (48.6 percentile) — 2026-06-26
CISA KEV
No
Weakness (CWE)
CWE-79
Affected configurations (CPE)
0
Published
2026-06-25
Modified
2026-06-25
Status
Undergoing Analysis

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.