Cisco Webex Teams Web-based Interface cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco Webex Teams. Affected by this vulnerability is an unknown functionality of the component Web-based Interface. Performing a manipulation results in cross site scripting. This vulnerability is identified as CVE-2020-26067. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Cisco Webex Teams (affected version not known). This affects some unknown functionality of the component Web-based Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

A vulnerability in the web-based interface of Cisco Webex Teams could allow an authenticated, remote attacker to conduct cross-site scripting attacks. The vulnerability is due to improper validation of usernames. An attacker could exploit this vulnerability by creating an account that contains malicious HTML or script content and joining a space using the malicious account name. A successful exploit could allow the attacker to conduct cross-site scripting attacks and potentially gain access to 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 at sec.cloudapps.cisco.com. This vulnerability is uniquely identified as CVE-2020-26067 since 09/24/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• Webex Teams

License

• commercial

Website

• Vendor: https://www.cisco.com/

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