CVE-2026-20112: XSS
A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. 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. To exploit this vulnerability, the attacker must have valid administrative credentials.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-20112?
CVE-2026-20112 is rated as a medium severity vulnerability.
How does CVE-2026-20112 impact affected devices?
CVE-2026-20112 allows an authenticated remote attacker to perform stored cross-site scripting attacks on users of the management interface.
What versions of Cisco IOS XE Software are affected by CVE-2026-20112?
CVE-2026-20112 affects multiple versions of Cisco IOS XE Software that utilize the web-based management interface.
How can I mitigate the risks associated with CVE-2026-20112?
To mitigate CVE-2026-20112, ensure that your Cisco IOS XE Software is updated to a patched version provided by Cisco.
Is authentication required to exploit CVE-2026-20112?
Yes, the attacker must be authenticated to exploit CVE-2026-20112.