Fastspot BigTree bigtree-form-builder up to 1.1 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 classified as problematic was found in Fastspot BigTree bigtree-form-builder up to 1.1. This vulnerability affects an unknown function. 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:

An issue was discovered in Fastspot BigTree bigtree-form-builder before 1.2. The vulnerability exists due to insufficient filtration of user-supplied data in multiple HTTP POST parameters passed to a "site/index.php/../../extensions/com.fastspot.form-builder/ajax/redraw-field.php" URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.

The bug was discovered 12/06/2016. The weakness was released 02/10/2017 (GitHub Repository). The advisory is shared for download at This vulnerability was named CVE-2016-10215 since 02/09/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 66 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.2 eliminates this vulnerability.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BigTree bigtree-form-builder 1.2


12/06/2016 🔍
02/09/2017 +65 days 🔍
02/10/2017 +1 days 🔍
02/10/2017 +0 days 🔍
02/10/2017 +0 days 🔍
11/12/2022 +2101 days 🔍


Advisory: 06fde0cc67ff121b212715031e12574f50970fcd
Status: Not defined

CVE: CVE-2016-10215 (🔍)
OSVDB: - CVE-2016-10215 - Fastspot - bigtree-form-builder - Cross-Site Scripting Issue


Created: 02/10/2017 03:00 PM
Updated: 11/12/2022 04:31 PM
Changes: 02/10/2017 03:00 PM (56), 09/01/2020 05:31 PM (3), 11/12/2022 04:31 PM (4)
Complete: 🔍
Cache ID: 44:CCA:40


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