# CVE-2026-120409: All-in-One Video Gallery WordPress plugin authentication bypass

Source: https://junglewise.ai/threats/cve-2026-120409-the-all-in-one-video-gallery-wordpress-plugin-before-5-1-1-does  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-09. Updated: 2026-11-09  
License: CC BY 4.0 with a link back

CVE-2026-120409 · Severity: info · Published 2026-11-09

The All-in-One Video Gallery WordPress plugin allows unauthenticated visitors to bypass password protections and access media sources of protected videos through its player page and download handler. This enables attackers to view unlisted videos, private YouTube/Vimeo links, and external files that were intended to be restricted, compromising the confidentiality of protected media content.

## Quick answers

**Is CVE-2026-120409 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-120409 being exploited in the wild.

**How severe is CVE-2026-120409?** Informational severity, published 9 November 2026.

**Which products and versions are affected?** All-in-One Video Gallery before 5.1.1.

**Is there a fix for CVE-2026-120409?** Yes: fixed in 5.1.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-120409 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-120409?** Check whether you run All-in-One Video Gallery at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 5.1.1

## Technical details

The plugin fails to verify password protections before serving video content through its standalone player page and download functionality, allowing unauthenticated access to password-protected media. The vulnerability affects video sources including unlisted YouTube/Vimeo URLs and external files. An unauthenticated attacker with access to the plugin's endpoints can directly obtain media sources without authentication.

## Affected products

- All-in-One Video Gallery before 5.1.1

## Timeline

- 2026-11-06: disclosed
- 2026-11-09: advisory

## References

- [https://wpscan.com/vulnerability/9338a9fe-f978-444c-883c-697b0c581bc5/](https://wpscan.com/vulnerability/9338a9fe-f978-444c-883c-697b0c581bc5/)