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CVE-2024-4752 EventON < 2.2.15 - Admin+ Stored Cross-Site Scripting via event subtitle

Medium 5.9 Published Updated

Admins can inject malicious scripts via event subtitles in EventON, bypassing unfiltered_html restrictions in multisite setups.

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-2024-4752?

CVE-2024-4752 is a medium-severity cross-site scripting vulnerability in Unknown EventON, published on 13 Jul 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The EventON WordPress plugin before 2.2.15 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Weakness: CWE-79

Which versions are affected by CVE-2024-4752?

It affects 1 product.

Products include Myeventon Eventon.

How do I fix CVE-2024-4752?

No fix has been published for CVE-2024-4752 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-2024-4752 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-4752 exists.

Sources

Also known as GHSA-g2vh-gv38-gppg.

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