Cross-site scripting in Social Media Widget by Acurax for WordPress

1) Cross-site scripting

EUVDB-ID: #VU19701

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-6357

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

Exploit availability: No

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via the recordsArray parameter to wp-admin/admin-ajax.php, with resultant social_widget_icon_array_order XSS. A remote attacker can trick the victim to follow a specially crafted link 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

Update to version 3.2.6.

Vulnerable software versions

Social Media Widget by Acurax: 1.0 - 3.2.5

External links

http://lists.openwall.net/full-disclosure/2018/01/10/8
http://plugins.trac.wordpress.org/changeset/1798382/acurax-social-media-widget

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.