#VU53059 Stored cross-site scripting in Liferay Enterprise Portal


Published: 2021-05-11

Vulnerability identifier: #VU53059

Vulnerability risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-29048

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Liferay Enterprise Portal
Web applications / CMS

Vendor: Liferay

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data in the Layout module's administration page, when processing data passed via the "_com_liferay_layout_admin_web_portlet_GroupPagesPortlet_name" parameter (Site page name). A remote user can permanently inject and 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

Liferay Enterprise Portal: 7.3.4 ga5 - 7.3.5 ga6


External links
http://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability