Cross-site scripting in Liferay Enterprise Portal

1) Cross-site scripting

EUVDB-ID: #VU35859

Risk: Low

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-6588

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

Exploit availability: Yes

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

In Liferay Portal before 7.1 CE GA4, an XSS vulnerability exists in the SimpleCaptcha API when custom code passes unsanitized input into the "url" parameter of the JSP taglib call <liferay-ui:captcha url="<%= url %>" /> or <liferay-captcha:captcha url="<%= url %>" />. Liferay Portal out-of-the-box behavior with no customizations is not vulnerable.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Liferay Enterprise Portal: 6.1.0 - 7.1.0

CPE2.3

• cpe:2.3:a:liferay:liferay_portal:6.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:liferay:liferay_portal:6.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:liferay:liferay_portal:7.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:liferay:liferay_portal:7.1.0:*:*:*:*:*:*:*

External links

http://packetstormsecurity.com/files/153252/Liferay-Portal-7.1-CE-GA4-Cross-Site-Scripting.html
http://dev.liferay.com/web/community-security-team/known-vulnerabilities/liferay-portal-71/-/asset_publisher/7v4O7y85hZMo/content/cst-7130-multiple-xss-vulnerabilities-in-7-1-ce-ga3

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.