CVE-2023-6933

CRITICAL

CVSS v3

9.8

CRITICAL

EPSS Score

93.3%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

The Better Search Replace plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.4.4 via deserialization of untrusted input. This makes it possible for 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.

Technical Details

Published
2/5/2024

Frequently Asked Questions

What is CVE-2023-6933?

The Better Search Replace plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.4.4 via deserialization of untrusted input. This makes it possible for 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.

Is CVE-2023-6933 actively exploited?

Active exploitation of CVE-2023-6933 has not been confirmed. The EPSS score is 93.3%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-6933?

CVE-2023-6933 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-6933 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.