OPNsense up to 23.6 URL core cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in OPNsense up to 23.6. This affects an unknown part of the file /ui/diagnostics/log/core/ of the component URL Handler. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2023-39000. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in OPNsense up to 23.6. This issue affects some unknown processing of the file /ui/diagnostics/log/core/ of the component URL Handler. The manipulation 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. The summary by CVE is:

A reflected cross-site scripting (XSS) vulnerability in the component /ui/diagnostics/log/core/ of OPNsense before 23.7 allows attackers to inject arbitrary JavaScript via the URL path.

The weakness was released 08/10/2023. It is possible to read the advisory at logicaltrust.net. The identification of this vulnerability is CVE-2023-39000 since 07/25/2023. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 23.7 eliminates this vulnerability. Applying the patch d1f350ce70e477adc86d445f5cda9b24f9ff0168 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-42757). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OPNsense 23.7
Patch: d1f350ce70e477adc86d445f5cda9b24f9ff0168

Timelineinfo

07/25/2023 🔍
08/10/2023 +16 days 🔍
08/10/2023 +0 days 🔍
01/22/2026 +896 days 🔍

Sourcesinfo

Advisory: d1f350ce70e477adc86d445f5cda9b24f9ff0168
Status: Confirmed

CVE: CVE-2023-39000 (🔍)
GCVE (CVE): GCVE-0-2023-39000
GCVE (VulDB): GCVE-100-236711
EUVD: 🔍

Entryinfo

Created: 08/10/2023 08:53
Updated: 01/22/2026 06:11
Changes: 08/10/2023 08:53 (42), 09/02/2023 22:07 (1), 09/02/2023 22:17 (11), 01/22/2026 06:11 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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