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Keep Backup Daily CVE-2026-75133

| EUVDEUVD-2026-68608 HIGH
Missing Authentication for Critical Function (CWE-306)
2026-08-31 VulnCheck GHSA-v523-g24m-hrq6
8.7
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
8.7 HIGH
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:X/V:X/RE:X/U:X
vuln.today AI
7.5 HIGH

No authentication required to trigger dump or retrieve file; no integrity or availability impact; scope unchanged as only the WordPress DB is exposed.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Patch available
Aug 31, 2026 - 17:17 EUVD
Analysis Generated
Aug 31, 2026 - 16:02 vuln.today
CVE Published
Aug 31, 2026 - 15:23 cve.org
HIGH 8.7

DescriptionCVE.org

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.

AnalysisAI

Unauthenticated remote attackers can trigger a full MySQL database dump on any WordPress site running Keep Backup Daily before version 2.1.4 by invoking the publicly exposed kbd_cron_process parameter with no credentials required. The generated dump file is stored in the publicly accessible uploads directory with a partially predictable filename derived from the database name, a limited random value, and the current Unix timestamp - making retrieval via brute-force enumeration feasible. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation The Keep Backup Daily plugin must be installed and active on a WordPress site running a version before 2.1.4 - no non-default configuration is required beyond plugin activation. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector AV:N/AC:L/AT:N/PR:N/UI:N with VC:H reflects the real-world threat accurately: fully remote, zero complexity, no privileges, no user interaction, and complete database confidentiality loss. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade the Keep Backup Daily WordPress plugin to version 2.1.4 or later immediately - this is the vendor-released fix per the CVE description and VulnCheck advisory at https://www.vulncheck.com/advisories/keep-backup-daily-wordpress-plugin-sensitive-information-exposure-via-kbd-cron-process. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: identify all WordPress installations with Keep Backup Daily versions prior to 2.1.4 using asset discovery or vulnerability scanning; immediately disable the plugin and implement an alternative backup solution, or enforce strict access controls on the wp-content/uploads directory (deny public access via .htaccess or Nginx rules) if the plugin must remain. …

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CVE-2026-75133 vulnerability details – vuln.today

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