CVE-2023-25054: 
WordPress vulnerability analysis and mitigation

The CVE-2023-25054 is a critical vulnerability affecting the RSVPMaker WordPress plugin through version 10.6.6. This vulnerability is classified as an Improper Control of Generation of Code (Code Injection) issue, which was discovered and reported by Ravi Dharmawan on February 5, 2023, and publicly disclosed on September 5, 2023 (Patchstack).

The vulnerability is classified as a PHP Object Injection vulnerability that occurs due to the deserialization of untrusted input from the $details variable. While no direct POP (Property-Oriented Programming) chain exists in the vulnerable plugin itself, if a POP chain is present via additional plugins or themes on the target system, it could be exploited. The vulnerability has received a CVSS v3.1 base score of 9.8 (Critical) from NVD and 10.0 from Patchstack, indicating its severe nature (WPScan, NVD).

The vulnerability could allow unauthenticated attackers to perform various malicious actions including deletion of arbitrary files, retrieval of sensitive data, or remote code execution. This level of access could potentially lead to complete website compromise (WPScan, Patchstack).

The vulnerability has been patched in version 10.6.7 of the RSVPMaker plugin. Site administrators are strongly advised to update to this version or later immediately. For users unable to update immediately, Patchstack has issued a virtual patch to mitigate this issue by blocking potential attacks (Patchstack).