Cross-Site Scripting Vulnerabilities in OPNsense by Deciso
CVE-2019-25368

4.8MEDIUM

Key Information:

Vendor

Opnsense

Status
Opnsense
Vendor
CVE Published:
15 February 2026

Badges

👾 Exploit Exists

What is CVE-2019-25368?

OPNsense 19.1 is susceptible to multiple cross-site scripting vulnerabilities in the diag_backup.php endpoint. Attackers can exploit these vulnerabilities by injecting malicious scripts through various parameters such as GDrive_GDriveEmail, GDrive_GDriveFolderID, and others. By submitting crafted POST requests, attackers have the potential to execute arbitrary JavaScript within the context of authenticated administrator sessions, allowing for potential unauthorized access and manipulation of sensitive information.

Affected Version(s)

OPNsense 19.1

References

https://www.exploit-db.com/exploits/46351
exploit
https://opnsense.org
product
https://forum.opnsense.org/index.php?topic=11469.0
patch

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ozer Goker
.