Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2026-0817

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/01/2026
Last modified:
10/02/2026

Description

Missing Authorization vulnerability in Wikimedia Foundation MediaWiki - CampaignEvents extension allows Privilege Abuse.This issue affects MediaWiki - CampaignEvents extension: 1.45, 1.44, 1.43, 1.39.

Impact

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

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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

Base Score 3.x
5.30
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:wikimedia:campaignevents:1.39:*:*:*:*:mediawiki:*:*
cpe:2.3:a:wikimedia:campaignevents:1.43:*:*:*:*:mediawiki:*:*
cpe:2.3:a:wikimedia:campaignevents:1.44:*:*:*:*:mediawiki:*:*
cpe:2.3:a:wikimedia:campaignevents:1.45:*:*:*:*:mediawiki:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools