CVE-2026-4338: CWE-200 Information Exposure in ActivityPub
CVE-2026-4338 is an information exposure vulnerability in the ActivityPub WordPress plugin before version 8. 0. 2. The plugin does not properly filter posts to be displayed, allowing unauthenticated users to access drafts, scheduled, or pending posts. This could lead to unintended disclosure of unpublished content. There is no confirmed patch or official remediation guidance available at this time. No known exploits are reported in the wild. The vulnerability affects the plugin versions prior to 8. 0. 2.
AI Analysis
Technical Summary
The ActivityPub WordPress plugin versions before 8.0.2 contain a CWE-200 information exposure vulnerability. Specifically, the plugin fails to properly filter post visibility, enabling unauthenticated users to view drafts, scheduled, or pending posts that should not be publicly accessible. This issue could result in unauthorized disclosure of sensitive or unpublished content. No CVSS score is assigned, and no official patch or remediation level has been documented in the provided data.
Potential Impact
Unauthenticated users can access unpublished posts (drafts, scheduled, pending) that are intended to be private or restricted. This exposure could lead to leakage of sensitive or confidential information before intended publication. There is no indication of further exploitation or impact beyond information disclosure. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users of the ActivityPub plugin should monitor for an official update or patch from the vendor addressing this issue. Until a fix is available, consider restricting access to the WordPress installation or limiting plugin usage to trusted environments to reduce exposure risk.
CVE-2026-4338: CWE-200 Information Exposure in ActivityPub
Description
CVE-2026-4338 is an information exposure vulnerability in the ActivityPub WordPress plugin before version 8. 0. 2. The plugin does not properly filter posts to be displayed, allowing unauthenticated users to access drafts, scheduled, or pending posts. This could lead to unintended disclosure of unpublished content. There is no confirmed patch or official remediation guidance available at this time. No known exploits are reported in the wild. The vulnerability affects the plugin versions prior to 8. 0. 2.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The ActivityPub WordPress plugin versions before 8.0.2 contain a CWE-200 information exposure vulnerability. Specifically, the plugin fails to properly filter post visibility, enabling unauthenticated users to view drafts, scheduled, or pending posts that should not be publicly accessible. This issue could result in unauthorized disclosure of sensitive or unpublished content. No CVSS score is assigned, and no official patch or remediation level has been documented in the provided data.
Potential Impact
Unauthenticated users can access unpublished posts (drafts, scheduled, pending) that are intended to be private or restricted. This exposure could lead to leakage of sensitive or confidential information before intended publication. There is no indication of further exploitation or impact beyond information disclosure. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users of the ActivityPub plugin should monitor for an official update or patch from the vendor addressing this issue. Until a fix is available, consider restricting access to the WordPress installation or limiting plugin usage to trusted environments to reduce exposure risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-03-17T14:54:23.077Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d5f7631cc7ad14da1ac467
Added to database: 4/8/2026, 6:36:19 AM
Last enriched: 4/8/2026, 6:50:44 AM
Last updated: 4/8/2026, 8:12:20 AM
Views: 4
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