CVE-2026-24988 WordPress The Events Calendar Shortcode & Block plugin <= 3.1.1 - Cross Site Scripting (XSS) vulnerability

Medium 6.5 Published Updated

Stored XSS in The Events Calendar Shortcode & Block plugin allows attackers to inject malicious scripts into web pages viewed by other users.

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-2026-24988?

CVE-2026-24988 is a medium-severity cross-site scripting vulnerability in Brian Hogg The Events Calendar Shortcode & Block, published on 3 Feb 2026. 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 Brian Hogg The Events Calendar Shortcode & Block the-events-calendar-shortcode allows Stored XSS.This issue affects The Events Calendar Shortcode & Block: from n/a through <= 3.1.1.

Weakness: CWE-79

Which versions are affected by CVE-2026-24988?

How do I fix CVE-2026-24988?

No fix has been published for CVE-2026-24988 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-2026-24988 being exploited?

There is no known exploitation of CVE-2026-24988 in the wild and no public exploit code.

Sources

Also known as GHSA-578r-63mx-xx77.

Is CVE-2026-24988 in your software?

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