Joomla CMS up to 3.8.7 user-info 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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4.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Joomla CMS up to 3.8.7 and classified as problematic. Impacted is an unknown function of the component user-info. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2018-11328. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Joomla CMS up to 3.8.7 (Content Management System). It has been rated as problematic. This issue affects an unknown part of the component user-info. 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:

An issue was discovered in Joomla! Core before 3.8.8. Under specific circumstances (a redirect issued with a URI containing a username and password when the Location: header cannot be used), a lack of escaping the user-info component of the URI could result in an XSS vulnerability.

The bug was discovered 05/08/2018. The weakness was shared 05/22/2018 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2018-11328 since 05/21/2018. 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 14 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 110227 (Joomla! < 3.8.8 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 154007 (Joomla! XSS vulnerability in User-Info Component).

Upgrading to version 3.8.8 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 (110227) and SecurityFocus (BID 104269†). The entries VDB-118072, VDB-118073, VDB-118074 and VDB-118075 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
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: 110227
Nessus Name: Joomla! < 3.8.8 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 65764
OpenVAS Name: Joomla! Core Redirect Method XSS Vulnerability (20180508)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: CMS 3.8.8

Timelineinfo

05/08/2018 🔍
05/21/2018 +13 days 🔍
05/22/2018 +0 days 🔍
05/22/2018 +0 days 🔍
05/22/2018 +0 days 🔍
05/22/2018 +0 days 🔍
05/23/2018 +1 days 🔍
05/31/2018 +8 days 🔍
03/14/2023 +1748 days 🔍

Sourcesinfo

Vendor: joomla.org

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2018-11328 (🔍)
GCVE (CVE): GCVE-0-2018-11328
GCVE (VulDB): GCVE-100-118079
SecurityFocus: 104269 - Joomla! Core CVE-2018-11328 Cross Site Scripting Vulnerabilitiy
SecurityTracker: 1040966

See also: 🔍

Entryinfo

Created: 05/23/2018 08:49
Updated: 03/14/2023 16:04
Changes: 05/23/2018 08:49 (75), 05/31/2020 17:33 (4), 03/14/2023 16:04 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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