Unknown Activitypub vulnerabilities

CVE-2026-4338 [HIGH] CWE-200 CVE-2026-4338: The ActivityPub WordPress plugin before 8.0.2 does not properly filter posts to be displayed, allowe 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

CVE-2023-5057 [MEDIUM] CWE-79 CVE-2023-5057: The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them i 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

CVE-2023-3706 [MEDIUM] CWE-639 CVE-2023-3706: The ActivityPub WordPress plugin before 1.0.0 does not ensure that post titles to be displayed are p 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

CVE-2023-3746 [MEDIUM] CWE-79 CVE-2023-3746: The ActivityPub WordPress plugin before 1.0.0 does not sanitize and escape some data from post conte 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

CVE-2023-3707 [MEDIUM] CWE-639 CVE-2023-3707: The ActivityPub WordPress plugin before 1.0.0 does not ensure that post contents to be displayed are 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.