A vulnerability in the browser-based version of Cisco Webex App could have allowed an unauthenticated, remote attacker to redirect users to a malicious webpage. Cisco has addressed this vulnerability in the Cisco Webex App, and no customer action is needed.
This vulnerability existed due to improper input validation of URL parameters in an HTTP request. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by persuading a user to click a crafted URL. A successful exploit could have allowed the attacker to redirect a user to a malicious website.
Metrics
Affected Vendors & Products
References
History
Thu, 18 Jun 2026 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Improper Input Validation in Cisco Webex App Enables Unauthenticated URL Redirection |
Thu, 18 Jun 2026 04:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A vulnerability in the browser-based version of Cisco Webex App could have allowed an unauthenticated, remote attacker to redirect users to a malicious webpage. Cisco has addressed this vulnerability in the Cisco Webex App, and no customer action is needed. This vulnerability existed due to improper input validation of URL parameters in an HTTP request. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by persuading a user to click a crafted URL. A successful exploit could have allowed the attacker to redirect a user to a malicious website. | |
| Weaknesses | CWE-601 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: cisco
Published:
Updated: 2026-06-17T18:13:35.374Z
Reserved: 2025-10-08T11:59:15.392Z
Link: CVE-2026-20178
Updated: 2026-06-17T18:13:24.909Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-06-18T18:30:15Z