The BackWPup WordPress plugin before 5.7.7 does not properly restrict the destination path of files extracted during a backup restore when its fallback archive library is used, allowing high-privileged users to write files outside the intended restore directory, potentially leading to remote code execution.

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Fixes

Solution

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Workaround

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History

Thu, 08 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-73

Thu, 08 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 08 Oct 2026 08:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-22
CWE-73

Thu, 08 Oct 2026 06:15:00 +0000

Type Values Removed Values Added
Description The BackWPup WordPress plugin before 5.7.7 does not properly restrict the destination path of files extracted during a backup restore when its fallback archive library is used, allowing high-privileged users to write files outside the intended restore directory, potentially leading to remote code execution.
Title BackWPup < 5.7.7 - Admin+ Path Traversal to RCE via Restore PclZip Fallback
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-08T10:59:18.107Z

Reserved: 2026-09-08T14:26:00.880Z

Link: CVE-2026-86828

cve-icon Vulnrichment

Updated: 2026-10-08T10:52:53.705Z

cve-icon NVD

Status : Received

Published: 2026-10-08T06:16:45.287

Modified: 2026-10-08T11:16:47.027

Link: CVE-2026-86828

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-08T13:15:08Z

Weaknesses