CVE-2026-0817
Title: Privilege Abuse in MediaWiki - CampaignEvents extension
Other
Proof Of Concept
No public PoC currently indexed for CVE-2026-0817.
CWE Category
CWE-862
Published Date
Jan 09, 2026
Modified Date
Feb 10, 2026
Exploit Status
Not Found
Score
5.3
CVSS v
Exploit Probability (EPSS)
0.01%
Vulnerability Summary
CVE-2026-0817: 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.
Impacted Vendors
Reference Links
CVSS v3.1
Source Entity
134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity
MEDIUM
5.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2026-0817 Exploits & PoCs (Proof Of Concept)
No public PoCs found in our database for this CVE.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Stack
No specific products linked.