Cisco Webex Meetings up to 40.6.2 Web-based Interface cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco Webex Meetings. This affects an unknown function of the component Web-based Interface. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2022-20654. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Webex Meetings. It has been declared as problematic. This vulnerability affects some unknown functionality of the component Web-based Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect integrity. CVE summarizes:

A vulnerability in the web-based interface of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based interface of Cisco Webex Meetings. An attacker could exploit this vulnerability by persuading a user of the interface to click a maliciously crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

The advisory is shared for download at sec.cloudapps.cisco.com. This vulnerability was named CVE-2022-20654 since 11/02/2021. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• Webex Meetings

Version

• 39.6
• 39.7
• 39.7.4
• 39.7.7
• 39.8
• 39.8.2
• 39.8.3
• 39.8.4
• 39.9
• 39.9.1
• 39.10
• 39.11
• 40.1
• 40.2
• 40.4
• 40.4.10
• 40.6
• 40.6.2

License

• commercial

Website

• Vendor: https://www.cisco.com/

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