CVE-2022-26673 ASUS RT-AX88U - Stored XSS

Medium 5.4 Published Updated

Remote attackers can inject JavaScript into ASUS RT-AX88U routers via HTTP headers, enabling stored XSS attacks against users.

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-2022-26673?

CVE-2022-26673 is a medium-severity cross-site scripting vulnerability in ASUS RT-AX88U, published on 22 Apr 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

ASUS RT-AX88U has insufficient filtering for special characters in the HTTP header parameter. A remote attacker with general user privilege can exploit this vulnerability to inject JavaScript and perform Stored Cross-Site Scripting (XSS) attacks.

Weakness: CWE-79

Which versions are affected by CVE-2022-26673?

It affects 1 product.

Products include Asus Rt-Ax88u Firmware.

How do I fix CVE-2022-26673?

No fix has been published for CVE-2022-26673 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-2022-26673 being exploited?

There is no known exploitation of CVE-2022-26673 in the wild and no public exploit code.

Sources

Also known as GHSA-v4mg-xr34-jc9w.

Is CVE-2022-26673 in your software?

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