Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-84743

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
23/09/2026
Last modified:
23/09/2026

Description

The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 3.80 LOW
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): Low

Base Score 3.x
3.80
Severity 3.x
LOW

References to Advisories, Solutions, and Tools