CVE-2021-20685 Cross-site scripting in Kagemai

Medium 6.1 Published Updated

Remote attackers can inject arbitrary scripts into Kagemai, potentially leading to code execution or account takeover.

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-2021-20685?

CVE-2021-20685 is a medium-severity cross-site scripting vulnerability in daifukuya.com Kagemai, published on 7 Apr 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

Cross-site scripting vulnerability in Kagemai 0.8.8 allows remote attackers to inject an arbitrary script via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2021-20685?

It affects 1 product.

Products include Daifukuya Kagemai.

How do I fix CVE-2021-20685?

No fix has been published for CVE-2021-20685 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-2021-20685 being exploited?

There is no known exploitation of CVE-2021-20685 in the wild and no public exploit code.

Sources

Also known as GHSA-58j5-xm6m-86jh.

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