9.8
CRITICAL
CVSS 3.1
CVE-2026-54806
WordPress WP Activity Log plugin <= 5.6.3.1 - PHP Object Injection vulnerability
Overview
Description
Unauthenticated PHP Object Injection in WP Activity Log <= 5.6.3.1 versions.
Details
INFO
Published Date :
June 17, 2026, 9:51 a.m.
Last Modified :
June 17, 2026, 9:51 a.m.
Remotely Exploit :
Yes !
Source :
Patchstack
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 21595511-bba5-4825-b968-b78d1f9984a3 |
Solution
Update WP Activity Log to version 5.6.3.2 or later to fix PHP object injection.
- Update WP Activity Log plugin to the latest version.
- Apply any available security patches for the plugin.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-54806 vulnerability anywhere in the article.
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.