CVSS 3.1 Score 9.8 of 10 (high)


Published Feb 5, 2024
Updated: Feb 14, 2024
CWE ID 502


CVE-2023-6933 is a vulnerability found in the Better Search Replace plugin for WordPress, affecting all versions up to and including 1.4.4. The vulnerability allows for PHP Object Injection through the deserialization of untrusted input, enabling unauthenticated attackers to inject a PHP Object. While there is no POP chain present in the vulnerable plugin itself, if a POP chain exists through an additional plugin or theme on the targeted system, it could enable the attacker to delete files, retrieve sensitive data, or execute code. This vulnerability has a high risk score of 79 and has been rated as critical by [email protected]. The exploitability score is 3.9 out of 10, with no privileges required and no user interaction necessary. It has a network attack vector and high impact on integrity and confidentiality. Remediation for this vulnerability involves updating the Better Search Replace plugin to a version that is not affected by the vulnerability.

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