CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-4338

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

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 17.8%

CVSS Severity

CVSS v3 Score 7.5

References

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

Products affected by CVE-2026-4338

Automattic » Activitypub » Version: 0.0.1

cpe:2.3:a:automattic:activitypub:0.0.1
Automattic » Activitypub » Version: 0.0.2

cpe:2.3:a:automattic:activitypub:0.0.2
Automattic » Activitypub » Version: 0.1.0

cpe:2.3:a:automattic:activitypub:0.1.0
Automattic » Activitypub » Version: 0.1.1

cpe:2.3:a:automattic:activitypub:0.1.1
Automattic » Activitypub » Version: 0.10.0

cpe:2.3:a:automattic:activitypub:0.10.0
Automattic » Activitypub » Version: 0.10.1

cpe:2.3:a:automattic:activitypub:0.10.1
Automattic » Activitypub » Version: 0.11.0

cpe:2.3:a:automattic:activitypub:0.11.0
Automattic » Activitypub » Version: 0.11.1

cpe:2.3:a:automattic:activitypub:0.11.1
Automattic » Activitypub » Version: 0.11.2

cpe:2.3:a:automattic:activitypub:0.11.2
Automattic » Activitypub » Version: 0.12.0

cpe:2.3:a:automattic:activitypub:0.12.0
Automattic » Activitypub » Version: 0.13.0

cpe:2.3:a:automattic:activitypub:0.13.0
Automattic » Activitypub » Version: 0.13.1

cpe:2.3:a:automattic:activitypub:0.13.1
Automattic » Activitypub » Version: 0.13.2

cpe:2.3:a:automattic:activitypub:0.13.2
Automattic » Activitypub » Version: 0.13.3

cpe:2.3:a:automattic:activitypub:0.13.3
Automattic » Activitypub » Version: 0.13.4

cpe:2.3:a:automattic:activitypub:0.13.4
Automattic » Activitypub » Version: 0.14.0

cpe:2.3:a:automattic:activitypub:0.14.0
Automattic » Activitypub » Version: 0.14.1

cpe:2.3:a:automattic:activitypub:0.14.1
Automattic » Activitypub » Version: 0.14.2

cpe:2.3:a:automattic:activitypub:0.14.2
Automattic » Activitypub » Version: 0.14.3

cpe:2.3:a:automattic:activitypub:0.14.3
Automattic » Activitypub » Version: 0.15.0

cpe:2.3:a:automattic:activitypub:0.15.0
Automattic » Activitypub » Version: 0.16.0

cpe:2.3:a:automattic:activitypub:0.16.0
Automattic » Activitypub » Version: 0.16.1

cpe:2.3:a:automattic:activitypub:0.16.1
Automattic » Activitypub » Version: 0.16.2

cpe:2.3:a:automattic:activitypub:0.16.2
Automattic » Activitypub » Version: 0.16.3

cpe:2.3:a:automattic:activitypub:0.16.3
Automattic » Activitypub » Version: 0.16.4

cpe:2.3:a:automattic:activitypub:0.16.4
Automattic » Activitypub » Version: 0.16.5

cpe:2.3:a:automattic:activitypub:0.16.5
Automattic » Activitypub » Version: 0.17.0

cpe:2.3:a:automattic:activitypub:0.17.0
Automattic » Activitypub » Version: 0.2.0

cpe:2.3:a:automattic:activitypub:0.2.0
Automattic » Activitypub » Version: 0.2.1

cpe:2.3:a:automattic:activitypub:0.2.1
Automattic » Activitypub » Version: 0.3.0

cpe:2.3:a:automattic:activitypub:0.3.0
Automattic » Activitypub » Version: 0.3.1

cpe:2.3:a:automattic:activitypub:0.3.1
Automattic » Activitypub » Version: 0.3.2

cpe:2.3:a:automattic:activitypub:0.3.2
Automattic » Activitypub » Version: 0.4.0

cpe:2.3:a:automattic:activitypub:0.4.0
Automattic » Activitypub » Version: 0.4.1

cpe:2.3:a:automattic:activitypub:0.4.1
Automattic » Activitypub » Version: 0.4.2

cpe:2.3:a:automattic:activitypub:0.4.2
Automattic » Activitypub » Version: 0.4.3

cpe:2.3:a:automattic:activitypub:0.4.3
Automattic » Activitypub » Version: 0.4.4

cpe:2.3:a:automattic:activitypub:0.4.4
Automattic » Activitypub » Version: 0.5.0

cpe:2.3:a:automattic:activitypub:0.5.0
Automattic » Activitypub » Version: 0.5.1

cpe:2.3:a:automattic:activitypub:0.5.1
Automattic » Activitypub » Version: 0.6.0

cpe:2.3:a:automattic:activitypub:0.6.0
Automattic » Activitypub » Version: 0.7.0

cpe:2.3:a:automattic:activitypub:0.7.0
Automattic » Activitypub » Version: 0.7.1

cpe:2.3:a:automattic:activitypub:0.7.1
Automattic » Activitypub » Version: 0.7.2

cpe:2.3:a:automattic:activitypub:0.7.2
Automattic » Activitypub » Version: 0.7.3

cpe:2.3:a:automattic:activitypub:0.7.3
Automattic » Activitypub » Version: 0.7.4

cpe:2.3:a:automattic:activitypub:0.7.4
Automattic » Activitypub » Version: 0.8.0

cpe:2.3:a:automattic:activitypub:0.8.0
Automattic » Activitypub » Version: 0.8.1

cpe:2.3:a:automattic:activitypub:0.8.1
Automattic » Activitypub » Version: 0.8.2

cpe:2.3:a:automattic:activitypub:0.8.2
Automattic » Activitypub » Version: 0.8.3

cpe:2.3:a:automattic:activitypub:0.8.3
Automattic » Activitypub » Version: 0.9.0

cpe:2.3:a:automattic:activitypub:0.9.0
Automattic » Activitypub » Version: 0.9.1

cpe:2.3:a:automattic:activitypub:0.9.1
Automattic » Activitypub » Version: 1.0.0

cpe:2.3:a:automattic:activitypub:1.0.0
Automattic » Activitypub » Version: 1.0.1

cpe:2.3:a:automattic:activitypub:1.0.1
Automattic » Activitypub » Version: 1.0.10

cpe:2.3:a:automattic:activitypub:1.0.10
Automattic » Activitypub » Version: 1.0.2

cpe:2.3:a:automattic:activitypub:1.0.2
Automattic » Activitypub » Version: 1.0.3

cpe:2.3:a:automattic:activitypub:1.0.3
Automattic » Activitypub » Version: 1.0.4

cpe:2.3:a:automattic:activitypub:1.0.4
Automattic » Activitypub » Version: 1.0.5

cpe:2.3:a:automattic:activitypub:1.0.5
Automattic » Activitypub » Version: 1.0.6

cpe:2.3:a:automattic:activitypub:1.0.6
Automattic » Activitypub » Version: 1.0.7

cpe:2.3:a:automattic:activitypub:1.0.7
Automattic » Activitypub » Version: 1.0.8

cpe:2.3:a:automattic:activitypub:1.0.8
Automattic » Activitypub » Version: 1.0.9

cpe:2.3:a:automattic:activitypub:1.0.9
Automattic » Activitypub » Version: 1.1.0

cpe:2.3:a:automattic:activitypub:1.1.0
Automattic » Activitypub » Version: 1.2.0

cpe:2.3:a:automattic:activitypub:1.2.0
Automattic » Activitypub » Version: 1.3.0

cpe:2.3:a:automattic:activitypub:1.3.0
Automattic » Activitypub » Version: 2.0.0

cpe:2.3:a:automattic:activitypub:2.0.0
Automattic » Activitypub » Version: 2.0.1

cpe:2.3:a:automattic:activitypub:2.0.1
Automattic » Activitypub » Version: 2.1.0

cpe:2.3:a:automattic:activitypub:2.1.0
Automattic » Activitypub » Version: 2.1.1

cpe:2.3:a:automattic:activitypub:2.1.1
Automattic » Activitypub » Version: 2.2.0

cpe:2.3:a:automattic:activitypub:2.2.0
Automattic » Activitypub » Version: 2.3.0

cpe:2.3:a:automattic:activitypub:2.3.0
Automattic » Activitypub » Version: 2.3.1

cpe:2.3:a:automattic:activitypub:2.3.1
Automattic » Activitypub » Version: 2.4.0

cpe:2.3:a:automattic:activitypub:2.4.0
Automattic » Activitypub » Version: 2.5.0

cpe:2.3:a:automattic:activitypub:2.5.0
Automattic » Activitypub » Version: 2.6.0

cpe:2.3:a:automattic:activitypub:2.6.0
Automattic » Activitypub » Version: 2.6.1

cpe:2.3:a:automattic:activitypub:2.6.1
Automattic » Activitypub » Version: 3.0.0

cpe:2.3:a:automattic:activitypub:3.0.0
Automattic » Activitypub » Version: 3.1.0

cpe:2.3:a:automattic:activitypub:3.1.0
Automattic » Activitypub » Version: 3.2.0

cpe:2.3:a:automattic:activitypub:3.2.0
Automattic » Activitypub » Version: 3.2.1

cpe:2.3:a:automattic:activitypub:3.2.1
Automattic » Activitypub » Version: 3.2.2

cpe:2.3:a:automattic:activitypub:3.2.2
Automattic » Activitypub » Version: 3.2.3

cpe:2.3:a:automattic:activitypub:3.2.3
Automattic » Activitypub » Version: 3.2.4

cpe:2.3:a:automattic:activitypub:3.2.4
Automattic » Activitypub » Version: 3.2.5

cpe:2.3:a:automattic:activitypub:3.2.5
Automattic » Activitypub » Version: 3.3.0

cpe:2.3:a:automattic:activitypub:3.3.0
Automattic » Activitypub » Version: 3.3.1

cpe:2.3:a:automattic:activitypub:3.3.1
Automattic » Activitypub » Version: 3.3.2

cpe:2.3:a:automattic:activitypub:3.3.2
Automattic » Activitypub » Version: 3.3.3

cpe:2.3:a:automattic:activitypub:3.3.3
Automattic » Activitypub » Version: 4.0.0

cpe:2.3:a:automattic:activitypub:4.0.0
Automattic » Activitypub » Version: 4.0.1

cpe:2.3:a:automattic:activitypub:4.0.1
Automattic » Activitypub » Version: 4.0.2

cpe:2.3:a:automattic:activitypub:4.0.2
Automattic » Activitypub » Version: 4.1.0

cpe:2.3:a:automattic:activitypub:4.1.0
Automattic » Activitypub » Version: 4.1.1

cpe:2.3:a:automattic:activitypub:4.1.1
Automattic » Activitypub » Version: 4.2.0

cpe:2.3:a:automattic:activitypub:4.2.0
Automattic » Activitypub » Version: 4.2.1

cpe:2.3:a:automattic:activitypub:4.2.1
Automattic » Activitypub » Version: 4.3.0

cpe:2.3:a:automattic:activitypub:4.3.0
Automattic » Activitypub » Version: 4.4.0

cpe:2.3:a:automattic:activitypub:4.4.0
Automattic » Activitypub » Version: 4.5.0

cpe:2.3:a:automattic:activitypub:4.5.0
Automattic » Activitypub » Version: 4.5.1

cpe:2.3:a:automattic:activitypub:4.5.1
Automattic » Activitypub » Version: 4.6.0

cpe:2.3:a:automattic:activitypub:4.6.0
Automattic » Activitypub » Version: 4.7.0

cpe:2.3:a:automattic:activitypub:4.7.0
Automattic » Activitypub » Version: 4.7.1

cpe:2.3:a:automattic:activitypub:4.7.1
Automattic » Activitypub » Version: 4.7.2

cpe:2.3:a:automattic:activitypub:4.7.2
Automattic » Activitypub » Version: 4.7.3

cpe:2.3:a:automattic:activitypub:4.7.3
Automattic » Activitypub » Version: 5.0.0

cpe:2.3:a:automattic:activitypub:5.0.0
Automattic » Activitypub » Version: 5.1.0

cpe:2.3:a:automattic:activitypub:5.1.0
Automattic » Activitypub » Version: 5.2.0

cpe:2.3:a:automattic:activitypub:5.2.0
Automattic » Activitypub » Version: 5.3.0

cpe:2.3:a:automattic:activitypub:5.3.0
Automattic » Activitypub » Version: 5.3.1

cpe:2.3:a:automattic:activitypub:5.3.1
Automattic » Activitypub » Version: 5.3.2

cpe:2.3:a:automattic:activitypub:5.3.2
Automattic » Activitypub » Version: 5.4.0

cpe:2.3:a:automattic:activitypub:5.4.0
Automattic » Activitypub » Version: 5.4.1

cpe:2.3:a:automattic:activitypub:5.4.1
Automattic » Activitypub » Version: 5.5.0

cpe:2.3:a:automattic:activitypub:5.5.0
Automattic » Activitypub » Version: 5.6.0

cpe:2.3:a:automattic:activitypub:5.6.0
Automattic » Activitypub » Version: 5.6.1

cpe:2.3:a:automattic:activitypub:5.6.1
Automattic » Activitypub » Version: 5.7.0

cpe:2.3:a:automattic:activitypub:5.7.0
Automattic » Activitypub » Version: 5.8.0

cpe:2.3:a:automattic:activitypub:5.8.0
Automattic » Activitypub » Version: 5.9.0

cpe:2.3:a:automattic:activitypub:5.9.0
Automattic » Activitypub » Version: 5.9.1

cpe:2.3:a:automattic:activitypub:5.9.1
Automattic » Activitypub » Version: 5.9.2

cpe:2.3:a:automattic:activitypub:5.9.2
Automattic » Activitypub » Version: 6.0.0

cpe:2.3:a:automattic:activitypub:6.0.0
Automattic » Activitypub » Version: 6.0.1

cpe:2.3:a:automattic:activitypub:6.0.1
Automattic » Activitypub » Version: 6.0.2

cpe:2.3:a:automattic:activitypub:6.0.2
Automattic » Activitypub » Version: 7.0.0

cpe:2.3:a:automattic:activitypub:7.0.0
Automattic » Activitypub » Version: 7.0.1

cpe:2.3:a:automattic:activitypub:7.0.1
Automattic » Activitypub » Version: 7.1.0

cpe:2.3:a:automattic:activitypub:7.1.0
Automattic » Activitypub » Version: 7.2.0

cpe:2.3:a:automattic:activitypub:7.2.0
Automattic » Activitypub » Version: 7.3.0

cpe:2.3:a:automattic:activitypub:7.3.0
Automattic » Activitypub » Version: 7.4.0

cpe:2.3:a:automattic:activitypub:7.4.0
Automattic » Activitypub » Version: 7.5.0

cpe:2.3:a:automattic:activitypub:7.5.0
Automattic » Activitypub » Version: 7.6.0

cpe:2.3:a:automattic:activitypub:7.6.0
Automattic » Activitypub » Version: 7.6.1

cpe:2.3:a:automattic:activitypub:7.6.1
Automattic » Activitypub » Version: 7.7.0

cpe:2.3:a:automattic:activitypub:7.7.0
Automattic » Activitypub » Version: 7.7.1

cpe:2.3:a:automattic:activitypub:7.7.1
Automattic » Activitypub » Version: 7.8.0

cpe:2.3:a:automattic:activitypub:7.8.0
Automattic » Activitypub » Version: 7.8.1

cpe:2.3:a:automattic:activitypub:7.8.1
Automattic » Activitypub » Version: 7.8.2

cpe:2.3:a:automattic:activitypub:7.8.2
Automattic » Activitypub » Version: 7.8.3

cpe:2.3:a:automattic:activitypub:7.8.3
Automattic » Activitypub » Version: 7.8.4

cpe:2.3:a:automattic:activitypub:7.8.4
Automattic » Activitypub » Version: 7.8.5

cpe:2.3:a:automattic:activitypub:7.8.5
Automattic » Activitypub » Version: 7.9.0

cpe:2.3:a:automattic:activitypub:7.9.0
Automattic » Activitypub » Version: 7.9.1

cpe:2.3:a:automattic:activitypub:7.9.1
Automattic » Activitypub » Version: 8.0.0

cpe:2.3:a:automattic:activitypub:8.0.0
Automattic » Activitypub » Version: 8.0.1

cpe:2.3:a:automattic:activitypub:8.0.1

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-4338

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