CVE-2026-4338

HIGH CVSS 3.1: 7.5 EPSS 0.35%
Updated Jul 24, 2026
Automattic
Parameter Value
CVSS 7.5 (HIGH)
Affected Versions before 8.0.2
Fixed In 8.0.2
Type CWE-200 Information Exposure
Vendor Automattic
Public PoC No

The ActivityPub WordPress plugin before 8.0.2 does not properly filter posts to be displayed, allowed unauthenticated users to access drafts/scheduled/pending posts

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Automattic Activitypub
cpe:2.3:a:automattic:activitypub:*:*:*:*:*:wordpress:*:*
8.0.2