High severity8.8NVD Advisory· Published Feb 5, 2024· Updated Apr 8, 2026
CVE-2023-6933
CVE-2023-6933
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.
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Affected products
2cpe:2.3:a:wpengine:better_search_replace:*:*:*:*:*:wordpress:*:*+ 1 more
- cpe:2.3:a:wpengine:better_search_replace:*:*:*:*:*:wordpress:*:*range: <1.4.5
- (no CPE)range: <=1.4.4
Patches
Vulnerability mechanics
References
3- plugins.trac.wordpress.org/changeset/3023674/better-search-replace/trunk/includes/class-bsr-db.phpnvdPatch
- plugins.trac.wordpress.org/browser/better-search-replace/trunk/includes/class-bsr-db.phpnvdExploit
- www.wordfence.com/threat-intel/vulnerabilities/id/895f2db1-a2ed-4a17-a4f6-cd13ee8f84afnvdThird Party Advisory
News mentions
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