CVE-2020-17891 Cross-site scripting in n/a

Medium 6.1 Published 14 May 2021 Updated 4 Aug 2024

A remote attacker can execute arbitrary code via a cross-site scripting vulnerability in the TP-Link Archer C1200 firmware.

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-2020-17891?

CVE-2020-17891 is a medium-severity cross-site scripting vulnerability in n/a, published on 14 May 2021. 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

TP-Link Archer C1200 firmware version 1.13 Build 2018/01/24 rel.52299 EU has a XSS vulnerability allowing a remote attacker to execute arbitrary code.

Weakness: CWE-79

Which versions are affected by CVE-2020-17891?

It affects 1 product.

Products include Tp-Link Archer C1200 Firmware.

How do I fix CVE-2020-17891?

No fix has been published for CVE-2020-17891 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-2020-17891 being exploited?

There is no known exploitation of CVE-2020-17891 in the wild and no public exploit code.

Sources

Also known as GHSA-vp34-g74h-95v8.