Joomla CMS up to 3.6.5 Template Manager cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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, which was classified as problematic, was found in Joomla CMS. This affects an unknown function of the component Template Manager. Such manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2017-7984. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Joomla CMS (Content Management System). It has been rated as problematic. Affected by this issue is some unknown functionality 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. CVE summarizes:

In Joomla! 3.2.0 through 3.6.5 (fixed in 3.7.0), inadequate filtering leads to XSS in the template manager component.

The bug was discovered 12/23/2016. The weakness was disclosed 04/25/2017 (Website). The advisory is shared for download at developer.joomla.org. This vulnerability is handled as CVE-2017-7984 since 04/20/2017. The attack may be launched remotely. No form of authentication is required for 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 123 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 98018†). The entries VDB-100591, VDB-100593, VDB-100594 and VDB-100595 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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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
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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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

12/23/2016 🔍
04/20/2017 +118 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 🔍
12/21/2020 +1335 days 🔍

Sourcesinfo

Vendor: joomla.org

Advisory: developer.joomla.org
Researcher: Chen Ruiqi
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7984 (🔍)
GCVE (CVE): GCVE-0-2017-7984
GCVE (VulDB): GCVE-100-100592
SecurityFocus: 98018 - Joomla! CVE-2017-7984 Cross Site Scripting Vulnerability

See also: 🔍

Entryinfo

Created: 04/26/2017 08:43
Updated: 12/21/2020 14:19
Changes: 04/26/2017 08:43 (73), 05/31/2020 16:04 (5), 12/21/2020 14:19 (2)
Complete: 🔍
Cache ID: 216::103

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