Joomla CMS up to 3.9.1 com_contact Stored 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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4.9$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Joomla CMS up to 3.9.1. This affects an unknown function of the component com_contact. Performing a manipulation results in cross site scripting (Stored). This vulnerability is cataloged as CVE-2019-6261. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Joomla CMS up to 3.9.1 (Content Management System). This affects an unknown code of the component com_contact. The manipulation with an unknown input leads to a cross site scripting vulnerability (Stored). CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

An issue was discovered in Joomla! before 3.9.2. Inadequate escaping in com_contact leads to a stored XSS vulnerability.

The bug was discovered 01/01/2019. The weakness was shared 01/16/2019 by Basti (Website). It is possible to read the advisory at developer.joomla.org. This vulnerability is uniquely identified as CVE-2019-6261 since 01/14/2019. It is possible to initiate the attack remotely. No form of authentication is needed for 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 14 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 121188 (Joomla! < 3.9.2 Multiple Stored XSS 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13396 (Joomla! Core Stored XSS Vulnerabilities [20190101-20190104]).

Upgrading to version 3.9.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (121188) and SecurityFocus (BID 106638†). The entries VDB-129820, VDB-129821 and VDB-129822 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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

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

NVD Base Score: 🔍

Exploitinginfo

Name: Stored
Class: Cross site scripting / Stored
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: 121188
Nessus Name: Joomla! < 3.9.2 Multiple Stored XSS Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CMS 3.9.2

Timelineinfo

01/01/2019 🔍
01/14/2019 +13 days 🔍
01/15/2019 +1 days 🔍
01/15/2019 +0 days 🔍
01/16/2019 +1 days 🔍
01/16/2019 +0 days 🔍
01/16/2019 +0 days 🔍
01/17/2019 +1 days 🔍
05/31/2020 +500 days 🔍

Sourcesinfo

Vendor: joomla.org

Advisory: developer.joomla.org
Researcher: Basti
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-6261 (🔍)
GCVE (CVE): GCVE-0-2019-6261
GCVE (VulDB): GCVE-100-129819
SecurityFocus: 106638 - Joomla! Core Multiple HTML Injection Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/17/2019 11:48
Updated: 05/31/2020 18:37
Changes: 01/17/2019 11:48 (75), 05/31/2020 18:37 (6)
Complete: 🔍
Cache ID: 216::103

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

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