CVE-2022-26255 Cross-site scripting in n/a

Critical 9.8 Published 27 Mar 2022 Updated 3 Aug 2024

Attackers can execute arbitrary code in Clash for Windows by injecting malicious payloads into the Proxies name column.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-26255?

CVE-2022-26255 is a critical cross-site scripting vulnerability in n/a, published on 27 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Clash for Windows v0.19.8 was discovered to allow arbitrary code execution via a crafted payload injected into the Proxies name column.

Weakness: CWE-79

Which versions are affected by CVE-2022-26255?

It affects 1 product.

Products include Clash Project Clash.

How do I fix CVE-2022-26255?

No fix has been published for CVE-2022-26255 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-2022-26255 being exploited?

There is no known exploitation of CVE-2022-26255 in the wild and no public exploit code.

Sources

Also known as GHSA-h9hg-759g-265v.