CVE-2026-86828
BackWPup < 5.7.7 - Admin+ Path Traversal to RCE via Restore PclZip Fallback
- State
- Published
- Severity
- 6.6 Medium
- Published
- Oct 8, 2026
- Updated
- Oct 8, 2026
- Reserved
- Sep 8, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.6 Medium | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
BackWPupUnknown |
|
References
- https://wpscan.com/vulnerability/be8c0eab-1874-4490-b94e-394f62a522f3/exploitvdb-entrytechnical-description
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