EUVD-2026-75973
GHSA-qr55-6j78-v53m
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
Limited-role holders are low-privileged (PR:L not PR:H); C:H reflects full database exfiltration; no availability impact applies.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
6DescriptionCVE.org
The BackWPup WordPress plugin before 5.7.5 does not properly restrict access to several of its REST API routes for job, backup-destination, and backup-execution management, allowing users holding a BackWPup WordPress plugin before 5.7.5-defined, administrator-assigned limited role to create and run backup jobs and exfiltrate a full database backup to an attacker-controlled destination.
AnalysisAI
REST API authorization bypass in BackWPup WordPress plugin (versions 5.2.2 through 5.7.4) allows users holding a plugin-defined limited role to invoke privileged backup management endpoints - creating jobs, specifying attacker-controlled destinations, and triggering execution to exfiltrate a complete database backup. WPScan reported the flaw and has published exploit code; vendor-released fix is available in version 5.7.5. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target WordPress installation runs BackWPup version 5.2.2 through 5.7.4, AND at least one WordPress user account has been explicitly assigned a BackWPup plugin-defined limited role by a site administrator. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor-supplied CVSS (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N = 5.5 Medium) rates PR:H, likely reflecting that the attacker must hold an administrator-assigned BackWPup limited role. … 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 BackWPup to version 5.7.5, the vendor-released fix confirmed by WPScan (https://wpscan.com/vulnerability/fa66c458-f14f-47bc-87e6-b603200ef8e9/) and EUVD-2026-75973. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-862 – Missing Authorization
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External POC / Exploit Code
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