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CVE-2024-34390 WordPress Post Grid Master plugin <= 3.4.8 - Auth. Cross Site Scripting (XSS) vulnerability

Medium 6.5 Published Updated

Authenticated attackers can inject malicious scripts into the Post Grid Master plugin, potentially compromising user sessions or site integrity.

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-2024-34390?

CVE-2024-34390 is a medium-severity cross-site scripting vulnerability in AddonMaster Post Grid Master, published on 6 May 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in AddonMaster Post Grid Master allows Stored XSS.This issue affects Post Grid Master: from n/a through 3.4.8.

Weakness: CWE-79

Which versions are affected by CVE-2024-34390?

It affects 1 product.

Products include Addonmaster Post Grid Master.

How do I fix CVE-2024-34390?

No fix has been published for CVE-2024-34390 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-2024-34390 being exploited?

There is no known exploitation of CVE-2024-34390 in the wild and no public exploit code.

Sources

Also known as GHSA-r2pm-p649-q2r3.

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