CVE-2026-4338

ActivityPub Routing < 8.0.2 - Unauthenticated Drafts/Scheduled/Pending Posts Disclosure

HIGH

7.5

CVSS Score

Published: April 8, 2026 at 06:00 AM UTC

Updated: July 24, 2026 at 08:20 PM UTC

1 product affected across 1 vendorActivitypub

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Severity

HIGH7.5

Exploit prediction

EPSS 0.4%

SSVC

PoC

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Activitypub · Automatticwordpress-plugin

95%

v < 8.0.2

Affected range stops below 8.0.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical DescriptionThird Party Advisory

Source: cverecord

https://wpscan.com/vulnerability/50f68395-72fc-4f99-8e6d-6aa90cc640b5/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

NVD-CWE-noinfo

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