CVE-2022-40844 Cross-site scripting in n/a

Medium 5.4 Published 15 Nov 2022 Updated 14 May 2025

An attacker can execute arbitrary JavaScript code via the URL body in the website filtering tab of the Tenda AC1200 router.

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-2022-40844?

CVE-2022-40844 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Nov 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 Tenda (Shenzhen Tenda Technology Co., Ltd) AC1200 Router model W15Ev2 V15.11.0.10(1576), a Stored Cross Site Scripting (XSS) issue exists allowing an attacker to execute JavaScript code via the applications website filtering tab, specifically the URL body.

Weakness: CWE-79

Which versions are affected by CVE-2022-40844?

It affects 1 product.

Products include Tenda W15e Firmware.

How do I fix CVE-2022-40844?

No fix has been published for CVE-2022-40844 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-2022-40844 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40844 exists.

Sources

Also known as GHSA-v897-8cmv-r8gq.