CVE-2023-0300 Cross-site Scripting (XSS) - Reflected in alfio-event/alf.io

Low 3.5 Published Updated

Reflected Cross-Site Scripting in alf.io allows attackers to execute arbitrary scripts in victim browsers, potentially leading to session hijacking or data theft.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2023-0300?

CVE-2023-0300 is a low-severity cross-site scripting vulnerability in alfio-event/alf.io, published on 14 Jan 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Cross-site Scripting (XSS) - Reflected in GitHub repository alfio-event/alf.io prior to 2.0-M4-2301.

Weakness: CWE-79

Which versions are affected by CVE-2023-0300?

It affects 1 product.

Products include Opencollective Alf.io.

How do I fix CVE-2023-0300?

No fix has been published for CVE-2023-0300 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-2023-0300 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0300 exists.

Sources

Also known as GHSA-gr7w-282r-wq4h.

Is CVE-2023-0300 in your software?

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