CVE-2026-16253

Total Upkeep < 1.17.3 - Unauthenticated Sensitive Data Disclosure and Forced Site Restore via Predictable cron_secret

The Total Upkeep WordPress plugin before 1.17.3 does not adequately protect the secret that authorizes its backup-restore functionality and exposes it to unauthenticated users, allowing them to disclose sensitive backup information and to force a full site restore that overwrites the live site's files and database.

Affected

Total Upkeep

CVSS v3.1 CNA

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.43% chance of exploitation in the next 30 days, 36th percentile

Published

2026-08-12

Updated

2026-09-03

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/97abf25a-48d4-4dfa-a7a3-de88455be7eb/

References

• CVE Record
• NVD entry