CVE-2023-6933

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 65.44% Top 5%
Third-Party Advisory wordfence.com
Affected: wpengine Better Search Replace
Published at:
Updated at:

References

Link Tags
https://www.wordfence.com/threat-intel/vulnerabilities/id/895f2db1-a2ed-4a17-a4f6-cd13ee8f84af?source=cve third party advisory
https://plugins.trac.wordpress.org/browser/better-search-replace/trunk/includes/class-bsr-db.php#L334 exploit
https://plugins.trac.wordpress.org/changeset/3023674/better-search-replace/trunk/includes/class-bsr-db.php patch

Frequently Asked Questions

What is the severity of CVE-2023-6933?
CVE-2023-6933 has been scored as a critical severity vulnerability.
How to fix CVE-2023-6933?
To fix CVE-2023-6933, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-6933 being actively exploited in the wild?
It is possible that CVE-2023-6933 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~65% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6933?
CVE-2023-6933 affects wpengine Better Search Replace.
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