Authorization bypass in WordPress Event post plugin
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
The NOUS Ouvert Utile et Simple Event post plugin, from n/a through 6.1.1, contains an authorization bypass through a user-controlled key (CWE-639). A low-privileged user with network access can bypass access checks and change data they should not be able to modify, with high integrity impact and no confidentiality or availability impact.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Authorization Bypass Through User-Controlled Key vulnerability in NOUS Ouvert Utile et Simple Event post event-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Event post: from n/a through 6.1.1.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NOUS Ouvert Utile et Simple | Event post | up to 6.1.1 | — | No fix listed | CNA |
- Event post VendorNOUS Ouvert Utile et Simple Affected up to 6.1.1 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Event post.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-12 Threatist record created from CVE-2026-107427
- 2026-10-12 Alias added: GHSA-8fmg-r3r7-mx7j
- 2026-10-12 CISA SSVC decision points changed
- 2026-10-12 Priority changed: MEDIUM → LOW
More NOUS Ouvert Utile et Simple vulnerabilities
- TI-2026-70900 Missing authorization in WordPress Event post plugin CVSS 3.1MEDIUM 5.4
Sources
- CVE-2026-107427 · CVE Program
- CVE-2026-107427 · NVD
- FIRST EPSS
- GHSA-8fmg-r3r7-mx7j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences