CVE-2026-54806

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

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.70% chance of exploitation in the next 30 days, 51th percentile

Published

2026-06-17

Proof-of-concept exploits (1)

• joshuavanderpoll/CVE-2026-548067★ · 2026-06-22

References

• CVE Record
• NVD entry

Related

• CVE-2021-3129
• CVE-2022-29799
• CVE-2022-29800
• CVE-2022-30190
• CVE-2024-56348
• CVE-2025-14847