# CVE-2026-111396: StellarWP Advanced Post Manager missing authorization

Source: https://junglewise.ai/threats/cve-2026-111396-missing-authorization-vulnerability-in-liquid-web-stellarwp  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-16. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-111396 · Severity: high · CVSS 7.1 · Published 2026-10-16

Advanced Post Manager is a WordPress plugin that manages blog posts and content. A broken access control flaw allows users with contributor-level permissions to view or modify posts they should not have access to, potentially exposing sensitive content or allowing unauthorized changes to published material.

Vendors: [StellarWP](https://junglewise.ai/threats/vendors/stellarwp).

## Quick answers

**Is CVE-2026-111396 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-111396 being exploited in the wild.

**How severe is CVE-2026-111396?** High severity, with a CVSS score of 7.1, published 16 October 2026.

**Which products and versions are affected?** StellarWP Advanced Post Manager through 4.5.6.

**Is there a fix for CVE-2026-111396?** Yes: fixed in 4.5.7. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-111396 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-111396?** Check whether you run StellarWP Advanced Post Manager 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 4.5.7

## Technical details

The plugin fails to properly validate user permissions before allowing access to posts, allowing contributors to bypass intended access restrictions. This is a broken access control vulnerability requiring at least contributor-level privileges. A fix is available in version 4.5.7.

## Affected products

- StellarWP Advanced Post Manager through 4.5.6

## Timeline

- 2026-10-16: disclosed
- 2026-10-16: advisory

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/advanced-post-manager/vulnerability/wordpress-advanced-post-manager-plugin-4-5-6-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/advanced-post-manager/vulnerability/wordpress-advanced-post-manager-plugin-4-5-6-broken-access-control-vulnerability?_s_id=cve)

## Related threats

- [StellarWP Advanced Post Manager PHP object injection](https://junglewise.ai/threats/cve-2026-97283-deserialization-of-untrusted-data-vulnerability-in-liquid-web)