CVE-2024-2457 Cross-site scripting in Modal Window – create popup modal window

Medium 6.4 Published 9 Apr 2024 Updated 8 Apr 2026

Authenticated attackers can inject arbitrary web scripts via shortcodes, leading to script execution when users view affected pages.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-2457?

CVE-2024-2457 is a medium-severity cross-site scripting vulnerability in wpcalc Modal Window – create popup modal window, published on 9 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Modal Window – create popup modal window plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 5.3.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2024-2457?

It affects 1 product.

Products include Wow-Company Modal Window.

How do I fix CVE-2024-2457?

No fix has been published for CVE-2024-2457 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-2024-2457 being exploited?

There is no known exploitation of CVE-2024-2457 in the wild and no public exploit code.

Sources

Also known as GHSA-hj8p-jr2c-9cmj.