CVE-2021-20645 Cross-site scripting in WRC-300FEBK-A
Authenticated attackers can inject arbitrary scripts into the ELECOM WRC-300FEBK-A router interface, potentially compromising user sessions.
- 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-2021-20645?
CVE-2021-20645 is a medium-severity cross-site scripting vulnerability in ELECOM CO.,LTD. WRC-300FEBK-A, published on 12 Feb 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting vulnerability in ELECOM WRC-300FEBK-A allows remote authenticated attackers to inject arbitrary script via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2021-20645?
It affects 1 product.
Products include Elecom Wrc-300febk-a Firmware.
How do I fix CVE-2021-20645?
No fix has been published for CVE-2021-20645 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-2021-20645 being exploited?
There is no known exploitation of CVE-2021-20645 in the wild and no public exploit code.
Other vulnerabilities in ELECOM CO.,LTD. WRC-300FEBK-A
Sources
Also known as GHSA-2r8q-h42x-rjm5.