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.
Advisories
No advisories yet.
Fixes
Solution
OPNsense 19.1.1 released
Workaround
No workaround given by the vendor.
References
History
Sun, 15 Feb 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | OPNsense 19.1 Reflected XSS via diag_backup.php | |
| First Time appeared |
Opnsense
Opnsense opnsense |
|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Opnsense
Opnsense opnsense |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-02-15T13:58:51.292Z
Reserved: 2026-02-15T13:19:33.748Z
Link: CVE-2019-25368
No data.
Status : Received
Published: 2026-02-15T14:16:06.190
Modified: 2026-02-15T14:16:06.190
Link: CVE-2019-25368
No data.
OpenCVE Enrichment
Updated: 2026-02-16T09:43:01Z
Weaknesses