CVE-2024-5595 Essential Blocks < 4.7.0 - Contributor+ Stored XSS

What is CVE-2024-5595?

CVE-2024-5595 is a medium-severity cross-site scripting vulnerability in Unknown Essential Blocks, published on 2 Aug 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The Essential Blocks WordPress plugin before 4.7.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Weakness: CWE-79

Which versions are affected by CVE-2024-5595?

It affects 1 product.

Products include Wpdeveloper Essential Blocks.

How do I fix CVE-2024-5595?

No fix has been published for CVE-2024-5595 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-2024-5595 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-5595 exists.

Other vulnerabilities in Unknown Essential Blocks

• CVE-2023-6623 Essential Blocks < 4.4.3 - Unauthenticated Local File Inclusion Critical 9.8
• CVE-2023-4386 Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via queries High 8.1
• CVE-2023-4402 Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via products High 8.1
• CVE-2022-47594 WordPress Essential Blocks for Gutenberg plugin <= 3.8.5 - Broken Access Control Medium 6.5
• CVE-2023-51360 WordPress Essential Blocks plugin <= 4.2.0 - Multiple Subscriber+ Broken Access Control vulnerability Medium 6.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cqm6-fcfw-pfm3.