What is CVE-2026-16253?

CVE-2026-16253 is a high-severity vulnerability in Total Upkeep, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-08-12.

How severe is CVE-2026-16253?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Total Upkeep

CVE-2026-16253

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…

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Unknown Total Upkeep — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-16253?: CVE-2026-16253 is a high-severity vulnerability in Total Upkeep, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-08-12.
How severe is CVE-2026-16253?: High severity. CVSS v3 base score is 7.5 out of 10.