CVE-2024-1854 Cross-site scripting in Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns
Authenticated contributors can inject arbitrary scripts via the blockId parameter, leading to stored XSS execution for other users.
- 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-2024-1854?
CVE-2024-1854 is a medium-severity cross-site scripting vulnerability in wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns, published on 13 Mar 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the blockId parameter in all versions up to, and including, 4.5.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Which versions are affected by CVE-2024-1854?
It affects 1 product.
Products include Wpdeveloper Essential Blocks.
How do I fix CVE-2024-1854?
No fix has been published for CVE-2024-1854 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-2024-1854 being exploited?
There is no known exploitation of CVE-2024-1854 in the wild and no public exploit code.
Other vulnerabilities in wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns
- CVE-2023-6623 Essential Blocks < 4.4.3 - Unauthenticated Local File Inclusion
- CVE-2023-4386 Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via queries
- CVE-2023-4402 Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via products
- CVE-2022-47594 WordPress Essential Blocks for Gutenberg plugin <= 3.8.5 - Broken Access Control
- CVE-2023-51360 WordPress Essential Blocks plugin <= 4.2.0 - Multiple Subscriber+ Broken Access Control vulnerability
Sources
Also known as GHSA-6rc2-8j39-34cx.