CVE-2019-12667 Cisco IOS XE Software Stored Cross-Site Scripting Vulnerability
Authenticated attackers can inject malicious scripts into the Cisco IOS XE web interface, allowing script execution or data theft from users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-12667?
CVE-2019-12667 is a medium-severity cross-site scripting vulnerability in Cisco Ios Xe, published on 25 Sep 2019. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability in the web framework code 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 interface of the affected software. The vulnerability is due to insufficient input validation of some parameters that are passed to the web server of the affected software. An attacker could exploit this vulnerability by convincing a user of the web interface to access a malicious link or by intercepting a user request for the affected web interface and injecting malicious code into the request. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected web interface or allow the attacker to access sensitive browser-based information.
Weakness: CWE-79
Which versions are affected by CVE-2019-12667?
It affects 1 product.
Products include Cisco Ios Xe.
How do I fix CVE-2019-12667?
No fix has been published for CVE-2019-12667 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2019-12667 being exploited?
There is no known exploitation of CVE-2019-12667 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xe
- CVE-2023-20198 Cisco IOS XE Web UI Privilege Escalation
- CVE-2018-0151 Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution
- CVE-2023-20273 Cisco IOS XE Web UI Command Injection
- CVE-2025-20188 Hardcoded credentials in Cisco IOS XE Software
- CVE-2021-34770 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability
Sources
Also known as GHSA-8p69-4c3c-jm32.