CVE-2019-25368

MEDIUM

5.4

Description

OPNsense 19.1 contains multiple cross-site scripting vulnerabilities in the diag_backup.php endpoint that allow attackers to inject malicious scripts through multiple parameters including GDrive_GDriveEmail, GDrive_GDriveFolderID, GDrive_GDriveBackupCount, Nextcloud_url, Nextcloud_user, Nextcloud_password, Nextcloud_password_encryption, and Nextcloud_backupdir. Attackers can submit POST requests with script payloads in these parameters to execute arbitrary JavaScript in the context of authenticated administrator sessions.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published2/15/2026

Last Modified2/18/2026

Sourcenvd

Honeypot Sightings0

Affected Products

opnsense:opnsense

Weaknesses (CWE)

CWE-79

References

https://forum.opnsense.org/index.php?topic=11469.0(disclosure@vulncheck.com)

https://opnsense.org(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/46351(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-diagbackupphp(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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