CVE-2021-41946 Cross-site scripting in n/a
Stored XSS in the Parental Control username field prevents rule deletion, allowing attackers to modify data and bypass security controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-41946?
CVE-2021-41946 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 May 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In FiberHome VDSL2 Modem HG150-Ub_V3.0, a stored cross-site scripting (XSS) vulnerability in Parental Control --> Access Time Restriction --> Username field, a user cannot delete the rule due to the XSS.
Weakness: CWE-79
Which versions are affected by CVE-2021-41946?
It affects 1 product.
Products include Fiberhome Hg150-Ub Firmware.
How do I fix CVE-2021-41946?
No fix has been published for CVE-2021-41946 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-2021-41946 being exploited?
There is no known exploitation of CVE-2021-41946 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mpqq-jm3g-9gvc.