Description

WordPress Plugin Page Builder:KingComposer-Free Drag and Drop page builder by King-Theme 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 Page Builder:KingComposer-Free Drag and Drop page builder by King-Theme version 2.7.6 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 2.7.7 or latest

References

https://www.pluginvulnerabilities.com/2019/01/07/our-plugin-security-checker-could-have-warned-you-about-the-possibility-of-vulnerabilities-in-a-couple-of-wordpress-plugins-with-80000-installs/

https://plugins.trac.wordpress.org/changeset?old_path=%2Fkingcomposer%2Ftrunk&old=1904113&new_path=%2Fkingcomposer%2Ftrunk&new=2013397&sfp_email=&sfph_mail=

Related Vulnerabilities

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WordPress Plugin Easy Testimonials Cross-Site Scripting (3.0.4)

WordPress Plugin Klaviyo Cross-Site Scripting (3.0.9)

Oracle HTTP Server Improper Input Validation Vulnerability (CVE-2020-29508)

phpMyFAQ Improper Neutralization of Formula Elements in a CSV File Vulnerability (CVE-2023-4006)

Severity

High

Classification

CWE-79 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update XSS