SiteFusion Application Server up to 6.6.6 Extension getextension.php path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as problematic, was found in SiteFusion Application Server up to 6.6.6 (Application Server Software). This affects an unknown function of the file getextension.php of the component Extension Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality.

The weakness was published 01/30/2023 as 67. The advisory is shared at This vulnerability is uniquely identified as CVE-2016-15023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

By approaching the search of inurl:getextension.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 6.6.7 eliminates this vulnerability. The upgrade is hosted for download at Applying the patch 49fff155c303d6cd06ce8f97bba56c9084bf08ac is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version. The advisory contains the following remark:

Fixed vulnerability in getextension.php that allowed reading files outside of the extension directory.






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

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

NVD Base Score: 5.3
NVD Vector: 🔒

CNA Base Score: 3.5
CNA Vector (VulDB): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒


Class: Path traversal
ATT&CK: T1006

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Application Server 6.6.7
Patch: 49fff155c303d6cd06ce8f97bba56c9084bf08ac


01/30/2023 Advisory disclosed
01/30/2023 +0 days CVE reserved
01/30/2023 +0 days VulDB entry created
02/25/2023 +26 days VulDB last update


Advisory: 67
Status: Confirmed

CVE: CVE-2016-15023 (🔒)


Created: 01/30/2023 08:52 PM
Updated: 02/25/2023 02:31 PM
Changes: 01/30/2023 08:52 PM (46), 02/25/2023 02:27 PM (2), 02/25/2023 02:31 PM (28)
Complete: 🔍


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