shannah Xataface up to 2.x Installer install_form.js.php testftp cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability, which was classified as problematic, has been found in shannah Xataface up to 2.x. Affected by this issue is the function testftp of the file install/install_form.js.php of the component Installer. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The software 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 weakness was disclosed 01/05/2023 as 94143a4299e386f33bf582139cd4702571d93bde. The advisory is available at This vulnerability is handled as CVE-2021-4303. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Installer is disabled by default. By approaching the search of inurl:install/install_form.js.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.0.0 eliminates this vulnerability. The upgrade is hosted for download at Applying the patch 94143a4299e386f33bf582139cd4702571d93bde 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 XSS vulnerability reported by hitisec. This is low threat since it is in the installer, which is disabled by default, and should only be enabled temporarily by trusted parties. E.g. in order to even reach the vulnerability, the user would need to





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 3.4
VulDB Meta Temp Score: 3.3

VulDB Base Score: 2.0
VulDB Temp Score: 1.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔒

CNA Base Score: 2.0
CNA Vector (VulDB): 🔒



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

NVD Base Score: 🔒


Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

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: Xataface 3.0.0
Patch: 94143a4299e386f33bf582139cd4702571d93bde


01/05/2023 Advisory disclosed
01/05/2023 +0 days CVE reserved
01/05/2023 +0 days VulDB entry created
01/28/2023 +23 days VulDB last update


Advisory: 94143a4299e386f33bf582139cd4702571d93bde
Status: Confirmed

CVE: CVE-2021-4303 (🔒)


Created: 01/05/2023 09:49 AM
Updated: 01/28/2023 02:43 PM
Changes: 01/05/2023 09:49 AM (47), 01/28/2023 02:41 PM (2), 01/28/2023 02:43 PM (28)
Complete: 🔍


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