CVE-2021-46030 Cross-site scripting in n/a

Medium 5.4 Published Updated

Stored XSS in JavaQuarkBBS allows attackers to inject scripts via tag management, potentially compromising other users' sessions.

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-2021-46030?

CVE-2021-46030 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Jan 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

There is a Cross Site Scripting attack (XSS) vulnerability in JavaQuarkBBS <= v2. By entering specific statements into the background tag management module, the attack statement will be stored in the database, and the next victim will be attacked when he accesses the tag module.

Weakness: CWE-79

Which versions are affected by CVE-2021-46030?

It affects 1 product.

Products include Javaquarkbbs Project Javaquarkbbs.

How do I fix CVE-2021-46030?

No fix has been published for CVE-2021-46030 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-2021-46030 being exploited?

There is no known exploitation of CVE-2021-46030 in the wild and no public exploit code.

Sources

Also known as GHSA-mh9m-78f3-35jx.

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