OPNsense 19.1 interfaces_vlan_edit.php tag/descr/vlanif cross site scripting

Summaryinfo

A vulnerability categorized as problematic has been discovered in OPNsense 19.1. This issue affects some unknown processing of the file interfaces_vlan_edit.php. Such manipulation of the argument tag/descr/vlanif leads to cross site scripting. This vulnerability is referenced as CVE-2019-25370. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in OPNsense 19.1. It has been rated as problematic. Affected by this issue is an unknown functionality of the file interfaces_vlan_edit.php. The manipulation of the argument tag/descr/vlanif with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by submitting crafted input through multiple parameters. Attackers can send POST requests to interfaces_vlan_edit.php with script payloads in the tag, descr, or vlanif parameters to execute arbitrary JavaScript in users' browsers.

The weakness was published by Ozer Goker as 46351. The advisory is available at exploit-db.com. This vulnerability is handled as CVE-2019-25370 since 02/15/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:interfaces_vlan_edit.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (46351) and EUVD (EUVD-2019-19425). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• OPNsense

Version

• 19.1

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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