Five9

3 CVEs across 2 Five9 products. Browse Five9 vulnerabilities, severities, and proof-of-concept exploits.

Five9 products with known CVEs

ProductCVEs
Agent Desktop Plus2
Five9 Live Chat1
Five9 CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2025-11829Medium6.42025-11-11The Five9 Live Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'toolbar' attribute of the [five9-chat] shortcode in all versions…
CVE-2018-15508High7.52019-03-21Five9 Agent Desktop Plus 10.0.70 has Incorrect Access Control allowing a remote attackers to cause a denial of service via opening a connection on port 8083 to…
CVE-2018-15509Critical9.82019-03-18Five9 Agent Desktop Plus 10.0.70 has Incorrect Access Control (issue 2 of 2).