AC
Product
Activitypub
by Automattic · last CVE Apr 8, 2026
5
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Severity mix
Critical 0High 1Medium 4Low 0
Watch

Add Activitypub to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-4338
7.5
0%
Apr 8
ActivityPub Routing < 8.0.2 - Unauthenticated Drafts/Scheduled/Pending Posts Disclosure
Affected: before 8.0.2
CVE-2023-5057
5.4
0%
Oct 16
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…
Affected: before 1.0.0
CVE-2023-3746
5.4
0%
Oct 16
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…
Affected: before 1.0.0
CVE-2023-3707
4.3
1%
Oct 16
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…
Affected: before 1.0.0
CVE-2023-3706
4.3
1%
Oct 16
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…
Affected: before 1.0.0
Showing 5