Description

WordPress Plugin Contact Form by BestWebSoft is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks. WordPress Plugin Contact Form by BestWebSoft version 4.0.5 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 4.0.6 or latest

References

http://www.defensecode.com/advisories/DC-2017-02-014_50_WordPress_plugins_by_BestWebSoft_Advisory.pdf

https://packetstormsecurity.com/files/142118/WordPress-BestWebSoft-XSS-CSRF.html

https://wordpress.org/plugins/contact-form-plugin/#changelog

http://jvn.jp/en/jp/JVN24834813/index.html

Related Vulnerabilities

WordPress Plugin All In One Schema.org Rich Snippets Cross-Site Scripting (1.4.4)

Chamilo Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2013-0738)

Plone CMS Permissions, Privileges, and Access Controls Vulnerability (CVE-2013-4193)

WordPress Plugin All in One SEO-Best WordPress SEO-Easily Improve SEO Rankings & Increase Traffic Multiple Cross-Site Scripting Vulnerabilities (4.2.9)

Plone CMS Permissions, Privileges, and Access Controls Vulnerability (CVE-2013-4198)

Severity

High

Classification

CVE-2017-2171 CVE-2017-2171 CVE-2017-18491 CWE-79 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Tags

Missing Update XSS