Paper/Archive/CVE-2026-54806

CVE-2026-54806

Melapress WP Activity Log — WordPress WP Activity Log plugin <= 5.6.3.1 - PHP Object Injection vulnerability

EPSS 0.7%CVSS 9.8

critical.is priorityof 100

40

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 53.2.532 × 2010.6 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Unauthenticated PHP Object Injection in WP Activity Log <= 5.6.3.1 versions.

Affected

ProductAffectedFixed inSource

WP Activity Logn/a – 5.6.3.1–CNA

Scores by source

Patchstack (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refpatchstack.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