Vulnerability · Published Oct 20, 2023 · Assigned by Wordfence
CVE-2023-4386Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via queries
High 8.1
In plain English
A high-severity unsafe deserialization in Essential Blocks Pro from wpdevteam. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).
Official description
The Essential Blocks plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 4.2.0 via deserialization of untrusted input in the get_posts function. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| wpdevteam | Essential Blocks Pro | 0 – through 1.1.0 |
| wpdevteam | Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns | 0 – through 4.2.0 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H