CVE-2022-4320 WordPress Events Calendar Plugin < 1.4.5 - Multiple Reflected XSS

Medium 6.1 Published Updated

Reflected XSS in WordPress Events Calendar plugin allows attackers to execute scripts against users, including admins, via unsanitized parameters.

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

What is CVE-2022-4320?

CVE-2022-4320 is a medium-severity cross-site scripting vulnerability in Unknown WordPress Events Calendar Plugin, published on 16 Jan 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The WordPress Events Calendar WordPress plugin before 1.4.5 does not sanitize and escapes a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against both unauthenticated and authenticated users (such as high-privilege ones like admin).

Which versions are affected by CVE-2022-4320?

It affects 1 product.

Products include Mhsoftware Wordpress Events Calendar Plugin.

How do I fix CVE-2022-4320?

No fix has been published for CVE-2022-4320 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-2022-4320 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4320 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-7r7m-9r2x-mccm.

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