CVE-2023-5621: Thumbnail Slider With Lightbox <= 1.0 - Authenticated (Administrator+) Stored Cross-Site Scripting via Image Title
The Thumbnail Slider With Lightbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Image Title field in versions up to, and including, 1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfilteredhtml has been disabled.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-5621?
CVE-2023-5621 is a vulnerability in the Thumbnail Slider With Lightbox plugin for WordPress that allows for Stored Cross-Site Scripting attacks.
How does CVE-2023-5621 affect the Thumbnail Slider With Lightbox plugin?
CVE-2023-5621 affects versions up to and including 1.0 of the Thumbnail Slider With Lightbox plugin for WordPress.
How severe is CVE-2023-5621?
CVE-2023-5621 has a severity rating of medium with a CVSS score of 4.4.
How can an attacker exploit CVE-2023-5621?
An authenticated attacker with administrator-level privileges can exploit CVE-2023-5621 by injecting malicious code into the Image Title field.
Are there any fixes or patches available for CVE-2023-5621?
At the moment, there are no specific fixes or patches available for CVE-2023-5621. It is recommended to update to the latest version of the Thumbnail Slider With Lightbox plugin and to regularly monitor official sources for any security updates.