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CVE-2019-1680: Cisco Webex Business Suite Content Injection Vulnerability

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-02-07 · updated 2026-06-17
• Weakness: CWE-74

Description

A vulnerability in Cisco Webex Business Suite could allow an unauthenticated, remote attacker to inject arbitrary text into a user's browser. The vulnerability is due to improper validation of input. An attacker could exploit this vulnerability by convincing a targeted user to view a malicious URL. A successful exploit could allow the attacker to inject arbitrary text into the user's browser. The attacker could use the content injection to conduct spoofing attacks. Versions prior than 3.0.9 are affected.

Affected products

• Cisco WebEx Meeting Center: before 3.0.9 — fixed in 3.0.9
• Cisco WebEx WRF Player: before 1.3.42 — fixed in 1.3.42

How to fix

Upgrade to a fixed version: Cisco WebEx Meeting Center 3.0.9; Cisco WebEx WRF Player 1.3.42. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/106939
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-webex-injection
• http://www.securityfocus.com/bid/106939
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-webex-injection

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