CVE-2020-25786 Cross-site scripting in n/a

Medium 6.1 Published 19 Sep 2020 Updated 4 Aug 2024

Cross-site scripting vulnerability in D-Link routers via HTTP Referer header, affecting unsupported devices.

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-2020-25786?

CVE-2020-25786 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Sep 2020. 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

webinc/js/info.php on D-Link DIR-816L 2.06.B09_BETA and DIR-803 1.04.B02 devices allows XSS via the HTTP Referer header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: this is typically not exploitable because of URL encoding (except in Internet Explorer) and because a web page cannot specify that a client should make an additional HTTP request with an arbitrary Referer header

Weakness: CWE-79

Which versions are affected by CVE-2020-25786?

It affects 6 products.

Products include Dlink Dir-645 Firmware, Dlink Dir-803 Firmware, Dlink Dir-815 Firmware, Dlink Dir-816l Firmware, Dlink Dir-860l Firmware, Dlink Dir-865l Firmware.

How do I fix CVE-2020-25786?

No fix has been published for CVE-2020-25786 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-2020-25786 being exploited?

There is no known exploitation of CVE-2020-25786 in the wild and no public exploit code.

Sources

Also known as GHSA-5x8h-xjj6-w38j.