CVE-2026-54806

EUVD-2026-37642
Unauthenticated PHP Object Injection in WP Activity Log <= 5.6.3.1 versions.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
PatchstackCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 53.12%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
melapresswp_activity_log
𝑥
≤ 5.6.3.1
CNA
Common Weakness Enumeration
References
https://patchstack.com/database/wordpress/plugin/wp-security-audit-log/vulnerability/wordpress-wp-activity-log-plugin-5-6-3-1-php-object-injection-vulnerability?_s_id=cve