CVE-2018-19922 Cross-site scripting in n/a
Remote attackers can inject arbitrary HTML into the website blocking page of Actiontec C1000A routers, potentially leading to session hijacking or malicious script execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-19922?
CVE-2018-19922 is a medium-severity cross-site scripting vulnerability in n/a, published on 6 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Persistent Cross-Site Scripting (XSS) in the advancedsetup_websiteblocking.html Website Blocking page of the Actiontec C1000A router with firmware through CAC004-31.30L.95 allows a remote attacker to inject arbitrary HTML into the Website Blocking page by inserting arbitrary HTML into the 'TodUrlAdd' URL parameter in a /urlfilter.cmd POST request.
Weakness: CWE-79
Which versions are affected by CVE-2018-19922?
It affects 1 product.
Products include Actiontec C1000a Firmware.
How do I fix CVE-2018-19922?
No fix has been published for CVE-2018-19922 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-2018-19922 being exploited?
There is no known exploitation of CVE-2018-19922 in the wild and no public exploit code.
Sources
Also known as GHSA-cfhw-hg24-gjxm.