Snap Creek Duplicator up to 1.2.29 on WordPress installer.php 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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A vulnerability was found in Snap Creek Duplicator up to 1.2.29 on WordPress (WordPress Plugin). It has been declared as problematic. This vulnerability affects some unknown processing of the file installer.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

installer.php in the Snap Creek Duplicator (WordPress Site Migration & Backup) plugin before 1.2.30 for WordPress has XSS because the values "url_new" (/wp-content/plugins/duplicator/installer/build/view.step4.php) and "logging" (wp-content/plugins/duplicator/installer/build/view.step2.php) are not filtered correctly.

The bug was discovered 11/06/2017. The weakness was disclosed 11/14/2017 (Website). The advisory is available at This vulnerability was named CVE-2017-16815 since 11/14/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:installer.php it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11885 (WordPress Snap Creek Duplicator Plugin Multiple Cross-Site Scripting Vulnerabilities).

Upgrading to version 1.2.30 eliminates this vulnerability.





CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍



VulDB Base Score: 🔍
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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: 🔍


OpenVAS ID: 53070
OpenVAS Name: WordPress Duplicator Plugin XSS Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Snap Creek Duplicator 1.2.30


11/06/2017 🔍
11/14/2017 +8 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/15/2017 +1 days 🔍
01/10/2023 +1882 days 🔍


Advisory: 144914
Status: Not defined

CVE: CVE-2017-16815 (🔍)


Created: 11/15/2017 11:18 AM
Updated: 01/10/2023 11:13 AM
Changes: 11/15/2017 11:18 AM (65), 12/06/2019 03:11 PM (1), 01/10/2023 11:13 AM (4)
Complete: 🔍


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