WordPress security by component
ActivityPub
Plugin description
ActivityPub is a WordPress component with 6 published CVE records in this archive. The latest tracked vulnerability was published Apr 08, 2026; the highest CVE/CNA score is 7.5.
Plugin slug:
activitypubLatest vulnerability
CVE-2026-4338: ActivityPub: A security weakness
ActivityPub is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is < 8.0.2.
| Safe version |
|
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|---|---|---|---|
| Apr 08, 2026 |
CVE-2026-4338
ActivityPub: A security weakness
ActivityPub is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is < 8.0.2.
|
8.0.2 |
CVE7.5
NVDPending
|
| Jun 11, 2024 |
CVE-2023-52199
ActivityPub: A security weakness
ActivityPub is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
|
See mitigation notes |
CVE6.5
NVDPending
|
| Oct 16, 2023 |
CVE-2023-5057
ActivityPub: Cross-site scripting
ActivityPub is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
|
See mitigation notes |
CVE5.4
NVD5.4
|
| Oct 16, 2023 |
CVE-2023-3746
ActivityPub: Cross-site scripting
ActivityPub is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
|
See mitigation notes |
CVE5.4
NVD5.4
|
| Oct 16, 2023 |
CVE-2023-3707
ActivityPub: A security weakness
ActivityPub is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
|
See mitigation notes |
CVE4.3
NVD4.3
|
| Oct 16, 2023 |
CVE-2023-3706
ActivityPub: A security weakness
ActivityPub is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
|
See mitigation notes |
CVE4.3
NVD4.3
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