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CVE-2026-4338

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

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 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Activitypub Automattic Wordpress
Products
Activitypub Activitypub Wordpress
CVE-2023-3746

ActivityPub for WordPress < 1.0.1 - Contributor+ Stored XSS

The ActivityPub WordPress plugin before 1.0.0 does not sanitize and escape some data from post content, which could allow contributor and above role to perform Stored Cross-Site Scripting attacks

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Automattic
Products
Activitypub
CVE-2023-3707

ActivityPub for WordPress < 1.0.0 - Subscriber+ Arbitrary Post Content Disclosure

The ActivityPub WordPress plugin before 1.0.0 does not ensure that post contents to be displayed are public and belong to the plugin, allowing any authenticated user, such as subscriber to retrieve the content of arbitrary post (such as draft and private) via an IDOR vector. Password protected posts are not affected by this issue.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Automattic
Products
Activitypub
CVE-2023-3706

ActivityPub for WordPress < 1.0.0 - Subscriber+ Arbitrary Post Title Disclosure

The ActivityPub WordPress plugin before 1.0.0 does not ensure that post titles to be displayed are public and belong to the plugin, allowing any authenticated user, such as subscriber to retrieve the title of arbitrary post (such as draft and private) via an IDOR vector

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Automattic
Products
Activitypub
CVE-2023-5057

ActivityPub for WordPress < 1.0.0 - Contributor+ Stored XSS

The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Automattic
Products
Activitypub