CVE-2023-49186 WordPress Machic Core plugin <= 1.2.6 - Reflected Cross Site Scripting (XSS) vulnerability

High 7.1 Published Updated

An attacker can execute arbitrary scripts in a victim's browser via reflected XSS in the Machic Core WordPress plugin.

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-2023-49186?

CVE-2023-49186 is a high-severity cross-site scripting vulnerability in KlbTheme Machic Core, published on 5 Jan 2026. 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

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in KlbTheme Machic Core allows DOM-Based XSS.This issue affects Machic Core: from n/a through 1.2.6.

Weakness: CWE-79

Which versions are affected by CVE-2023-49186?

How do I fix CVE-2023-49186?

No fix has been published for CVE-2023-49186 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-2023-49186 being exploited?

There is no known exploitation of CVE-2023-49186 in the wild and no public exploit code.

Sources

Also known as GHSA-9wqc-j2xj-3mh2.

Is CVE-2023-49186 in your software?

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