Automattic Activitypub

5 CVEs affecting Automattic Activitypub. Latest disclosed: 2026-04-08. Critical: 0, High: 1.

Top CVEs affecting Automattic Activitypub
CVESeverityScorePublishedSummary
CVE-2026-4338High7.52026-04-08The ActivityPub WordPress plugin before 8.0.2 does not properly filter posts to be displayed, allowed unauthenticated users to access drafts/scheduled/pending…
CVE-2023-5057Medium5.42023-10-16The 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 Contribu…
CVE-2023-3746Medium5.42023-10-16The 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…
CVE-2023-3707Medium4.32023-10-16The 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 authenticate…
CVE-2023-3706Medium4.32023-10-16The 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…