Joomla CMS up to 3.6.5 Template Manager 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.
4.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Joomla CMS. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component Template Manager. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2017-7987. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Joomla CMS (Content Management System). This issue affects an unknown code block of the component Template Manager. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

In Joomla! 3.2.0 through 3.6.5 (fixed in 3.7.0), inadequate escaping of file and folder names leads to XSS vulnerabilities in the template manager component.

The bug was discovered 02/28/2017. The weakness was published 04/25/2017 (Website). It is possible to read the advisory at developer.joomla.org. The identification of this vulnerability is CVE-2017-7987 since 04/20/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 56 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 99691 (Joomla! < 3.7.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Upgrading to version 3.7.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99691) and SecurityFocus (BID 98021†). Similar entries are available at VDB-100591, VDB-100592, VDB-100593 and VDB-100594. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 99691
Nessus Name: Joomla! < 3.7.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802560
OpenVAS Name: Joomla! swf File Upload And Multiple Cross-Site Scripting Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: CMS 3.7.0

Timelineinfo

02/28/2017 🔍
04/20/2017 +51 days 🔍
04/25/2017 +5 days 🔍
04/25/2017 +0 days 🔍
04/25/2017 +0 days 🔍
04/25/2017 +0 days 🔍
04/26/2017 +1 days 🔍
04/26/2017 +0 days 🔍
05/31/2020 +1131 days 🔍

Sourcesinfo

Vendor: joomla.org

Advisory: developer.joomla.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7987 (🔍)
GCVE (CVE): GCVE-0-2017-7987
GCVE (VulDB): GCVE-100-100595
SecurityFocus: 98021 - Joomla! CVE-2017-7987 Cross Site Scripting Vulnerability

See also: 🔍

Entryinfo

Created: 04/26/2017 08:44
Updated: 05/31/2020 16:07
Changes: 04/26/2017 08:44 (73), 05/31/2020 16:07 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!