CVE-2026-86828
Medium
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.
SeverityMedium
CVSS6.6
Exploit probability—
ProductBackWPup
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- BackWPup5.7.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| BackWPup | v < 5.7.7 | 5.7.7 |
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