CVE-2023-6934 Limit Login Attempts Reloaded <= 2.25.26 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

Medium 6.4 Published Updated

Authenticated attackers with contributor permissions can inject arbitrary scripts via shortcodes, leading to script execution on victim 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-2023-6934?

CVE-2023-6934 is a medium-severity cross-site scripting vulnerability in wpchefgadget Limit Login Attempts Reloaded – Login Security, 2FA, Brute Force Protection & Firewall, published on 11 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Limit Login Attempts Reloaded plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 2.25.26 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-2023-6934?

It affects 1 product.

Products include Limitloginattempts Limit Login Attempts Reloaded.

How do I fix CVE-2023-6934?

No fix has been published for CVE-2023-6934 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-2023-6934 being exploited?

There is no known exploitation of CVE-2023-6934 in the wild and no public exploit code.

Sources

Also known as GHSA-gpw4-j4h5-577f.

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