High severity · published Apr 8, 2026
CVE-2026-4338
ActivityPub Routing < 8.0.2 - Unauthenticated Drafts/Scheduled/Pending Posts Disclosure
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
ActivityPub ·
before 8.0.2 · source: vendor, NVD