Exponent CMS up to 2.3.4 Reset Your Password Username/Email cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability classified as problematic was found in Exponent CMS up to 2.3.4 (Content Management System). This vulnerability affects an unknown code block of the component Reset Your Password. The manipulation of the argument Username/Email with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in Reset Your Password module in Exponent CMS before 2.3.5 allows remote attackers to inject arbitrary web script or HTML via the Username/Email.

The bug was discovered 04/21/2016. The weakness was shared 01/18/2017 (Website). The advisory is shared for download at exponentcms.lighthouseapp.com. This vulnerability was named CVE-2015-8667 since 12/24/2015. 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 known technical details, but no exploit is 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 272 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.3.5 eliminates this vulnerability.

The entry 95465 is related to this item.






  • open-source

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: 🔍
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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CMS 2.3.5


12/24/2015 🔍
04/21/2016 +119 days 🔍
01/18/2017 +272 days 🔍
01/18/2017 +0 days 🔍
01/19/2017 +1 days 🔍
11/01/2022 +2112 days 🔍


Advisory: 136763
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8667 (🔍)
OSVDB: - CVE-2015-8667 - Exponent CMS - Cross-Site Scripting Issue

See also: 🔍


Created: 01/19/2017 09:38 AM
Updated: 11/01/2022 09:58 AM
Changes: 01/19/2017 09:38 AM (60), 07/24/2020 12:37 PM (4), 11/01/2022 09:58 AM (3)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!