CVE-2023-25054 CRITICAL

CVE-2023-25054: WordPress RSVPMarker Plugin <= 10.6.6 is vulnerable to Remote Code Execution (RCE)

Vendor David F. Carr

Product RSVPMaker

Weakness CWE-94 · Code injection

Published December 29, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

10.0/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Improper Control of Generation of Code ('Code Injection') vulnerability in David F. Carr RSVPMaker.This issue affects RSVPMaker: from n/a through 10.6.6.

Explanation of Vulnerability in Simple Terms

02Summary

RSVPMaker versions up to 10.6.6 contain a code injection vulnerability that allows unauthenticated attackers to execute arbitrary PHP code on the server without user interaction. The vulnerability stems from improper handling of user input, enabling remote code execution with full system impact. Current version 12.1 is not affected.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the server and take complete control of the site.

Potential impact on your site

04Site Impact

Complete compromise of the site, including data theft, malware installation, and site defacement.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 29, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-25054 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/94.html AskarLabs — CWE-94 write-up Code Injection

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