Description

WordPress Plugin Sender 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 Sender by BestWebSoft version 1.2.0 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 1.2.1 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/sender/#changelog

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

Related Vulnerabilities

WordPress Plugin NextScripts:Social Networks Auto-Poster Cross-Site Scripting (4.3.23)

Drupal CVE-2018-14773 Vulnerability (CVE-2018-14773)

PHP Improper Handling of Exceptional Conditions Vulnerability (CVE-2014-1943)

WordPress Plugin WooCommerce HTML Injection (6.5.1)

WordPress Plugin Wordfence Security-Firewall & Malware Scan Cross-Site Scripting (3.8.6)

Severity

High

Classification

CVE-2017-2171 CVE-2017-2171 CVE-2017-18564 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