CVE-2026-7569
Quest NetVault Backup viewclient Cross-Site Scripting Authentication Bypass Vulnerability
- State
- Published
- Severity
- 8.8 High
- Published
- Jun 24, 2026
- Updated
- Jun 25, 2026
- Reserved
- Apr 30, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | zdi |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
NetVault BackupQuest |
|
References
- ZDI-26-377
- vendor-provided URLvendor-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.