# CVE-2026-107427: NOUS Event post insecure direct object reference

Source: https://junglewise.ai/threats/cve-2026-107427-authorization-bypass-through-user-controlled-key-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-12. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-107427 · Severity: medium · CVSS 6.5 · Published 2026-10-12

The Event post WordPress plugin allows authenticated users to manipulate object IDs in URLs to access and potentially modify data belonging to other users or events. An attacker with contributor-level privileges can bypass access controls to view or alter event information that should be restricted, leading to unauthorized data exposure or event manipulation.

Technologies: [NOUS Ouvert Utile et Simple Event post](https://junglewise.ai/threats/technologies/nous-ouvert-utile-et-simple-event-post). Vendors: [NOUS Ouvert Utile et Simple](https://junglewise.ai/threats/vendors/nous-ouvert-utile-et-simple).

## Quick answers

**Is CVE-2026-107427 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-107427 being exploited in the wild.

**How severe is CVE-2026-107427?** Medium severity, with a CVSS score of 6.5, published 12 October 2026.

**Which products and versions are affected?** NOUS Ouvert Utile et Simple Event post up to and including 6.1.1.

**Is there a fix for CVE-2026-107427?** Yes: fixed in 6.1.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-107427 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-107427?** Check whether you run NOUS Ouvert Utile et Simple Event post 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 6.1.2

## Technical details

The plugin suffers from an Insecure Direct Object Reference (IDOR) vulnerability in its event post handling. An authenticated attacker with contributor privileges can change object identifiers in URLs to access resources owned by other users without proper authorization checks. The vulnerability allows exposure of confidential event data and potential modification of events outside the attacker's scope.

## Affected products

- NOUS Ouvert Utile et Simple Event post up to and including 6.1.1

## Timeline

- 2026-09-29: disclosed
- 2026-10-12: advisory

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/event-post/vulnerability/wordpress-event-post-plugin-6-1-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/event-post/vulnerability/wordpress-event-post-plugin-6-1-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve)

## Related threats

- [NOUS Event post stored cross-site scripting](https://junglewise.ai/threats/cve-2026-125781-improper-neutralization-of-input-during-web-page-generation)
- [NOUS Event post broken access control](https://junglewise.ai/threats/cve-2026-107432-missing-authorization-vulnerability-in-nous-ouvert-utile-et)