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Vulnerability record · CVE-2026-75133 · published 31 August 2026

CVE-2026-75133: Missing authentication for critical function vulnerability

Keep Backup Daily plugin for WordPress before 2.1.4 contains a sensitive information exposure vulnerability that allows unauthenticated attackers to trigger a full MySQL database dump by accessing the publicly exposed `kbd_cron_process` parameter without authentication. Attackers can predict the partially predictable dump filename based on the database name, a limited random range, and the current Unix timestamp to download the generated backup from the publicly accessible uploads directory.

8.7 CVSS 4.0 High EPSS 0.52% · top 58.1% CWE-306 · Missing authentication for critical function Deferred
8.7CVSS 4.0 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
8 Sep 2026Last modified by NVD

Description

Keep Backup Daily plugin for WordPress before 2.1.4 contains a sensitive information exposure vulnerability that allows unauthenticated attackers to trigger a full MySQL database dump by accessing the publicly exposed `kbd_cron_process` parameter without authentication. Attackers can predict the partially predictable dump filename based on the database name, a limited random range, and the current Unix timestamp to download the generated backup from the publicly accessible uploads directory.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://wordpress.org/plugins/keep-backup-daily/#developers
https://www.vulncheck.com/advisories/keep-backup-daily-wordpress-plugin-sensitive-information-exposure-via-kbd-cron-proc

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Source: NIST National Vulnerability Database (record CVE-2026-75133), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.