Description

WordPress Plugin Chat-Support Board-WordPress Chat 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 Chat-Support Board-WordPress Chat version 3.3.4 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 3.3.5 or latest

References

https://medium.com/@lijohnjefferson/cve-2021-24807-6bc22af2a444

https://github.com/itsjeffersonli/CVE-2021-24807

https://board.support/changes

Related Vulnerabilities

Oracle Database Server CVE-2014-6537 Vulnerability (CVE-2014-6537)

WordPress Plugin WebEngage Feedback, Survey and Notification Cross-Site Scripting (2.0.0)

WordPress Plugin Visualizer:Tables and Charts Manager for WordPress Multiple Vulnerabilities (3.3.0)

ownCloud Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2013-2150)

Dolibarr Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2019-11201)

Severity

High

Classification

CVE-2021-24807 CWE-79 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update XSS