CVE-2023-6049
CWE-502Published: January 15, 2024· Updated: Jun 17, 2026
Official Description
The Estatik Real Estate Plugin WordPress plugin before 4.1.1 unserializes user input via some of its cookies, which could allow unauthenticated users to perform PHP Object Injection when a suitable gadget chain is present on the blog
Risk Analysis
The Estatik Real Estate Plugin for WordPress is vulnerable to PHP Object Injection due to improper handling of user-supplied cookie data. This critical flaw allows unauthenticated remote attackers to execute arbitrary code if a suitable gadget chain exists.
No public exploit is currently known, and the vulnerability is not in the KEV catalog.
Update the Estatik Real Estate Plugin to version 4.1.1 or later.
Technical Analysis
CVE-2023-6049 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-502)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-6049 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts