CVE-2023-3021 Cross-site Scripting (XSS) - Stored in mkucej/i-librarian-free

Medium 4.1 Published Updated

Stored Cross-Site Scripting in i-librarian-free allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.

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-2023-3021?

CVE-2023-3021 is a medium-severity cross-site scripting vulnerability in mkucej/i-librarian-free, published on 31 May 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Cross-site Scripting (XSS) - Stored in GitHub repository mkucej/i-librarian-free prior to 5.10.4.

Weakness: CWE-79

Which versions are affected by CVE-2023-3021?

It affects 1 product.

Products include Scilico I\, Librarian.

How do I fix CVE-2023-3021?

No fix has been published for CVE-2023-3021 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-2023-3021 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3021 exists.

Sources

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