CVE-2026-54806 Details
Description
Unauthenticated PHP Object Injection in WP Activity Log <= 5.6.3.1 versions.
A PHP Object Injection vulnerability has been identified in the WP Activity Log plugin for WordPress, affecting versions through 5.6.3.1. This vulnerability allows unauthenticated users to manipulate object injection, which could lead to various exploits such as code execution, SQL injection, path traversal, or denial of service, provided a suitable object injection chain is available.
Users of the WP Activity Log plugin should update to version 5.6.4 or later. Patchstack users can enable auto-update for vulnerable plugins.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 17, 2026CISA-ADP
Assessed Jun 17, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-502 | Deserialization of Untrusted Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| WP Activity Log | <= 5.6.3.1 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | New CVE Received | [email protected] |