Multiple vulnerabilities in Joomla!

Published: 2019-05-07 | Updated: 2019-08-09

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-11809
CWE-ID	CWE-79 CWE-22
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Joomla! Web applications / CMS
Vendor	Joomla!

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU18411

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-11809

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within debug views functionality in com_users core component, when viewing users' permissions. A remote attacker can execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Joomla!: 1.7.0 - 3.9.5

CPE2.3

cpe:2.3:a:joomla:joomla:3.9.5:*:*:*:*:*:*:*

External links

http://developer.joomla.org/security-centre.html#20190501

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Path traversal

EUVDB-ID: #VU20015

Risk: Low

CVSSv3.1:

CVE-ID: N/A

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')