CVE-2023-6813 Login by Auth0 <= 4.6.0 - Reflected Cross-Site Scripting via wle
Unauthenticated attackers can inject arbitrary web scripts via the wle parameter, executing code in victim browsers if they click a malicious link.
- 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
- Available
What is CVE-2023-6813?
CVE-2023-6813 is a medium-severity cross-site scripting vulnerability in Login by Auth0, published on 10 Jul 2024. 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 Login by Auth0 plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘wle’ parameter in all versions up to, and including, 4.6.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Weakness: CWE-79
Which versions are affected by CVE-2023-6813?
2 open source packages ship an affected version, including auth0/wordpress.
| Package | Affected | Fixed in |
|---|---|---|
auth0/wordpress Packagist | All versions | 4.6.1 |
auth0/wordpress Packagist | All versions | 4.6.1 |
How do I fix CVE-2023-6813?
Upgrade auth0/wordpress to 4.6.1 or later.
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-2023-6813 being exploited?
There is no known exploitation of CVE-2023-6813 in the wild and no public exploit code.
Sources
Also known as GHSA-x6p7-44rh-m3rr.