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CVE-2026-7693 high

📛 Threat Title

Backup Migration <= 2.1.5.1 - Authenticated (Administrator+) OS Command Injection via 'file' Parameter

Category: wordpress-vulnerability Published: Source updated: First seen: Last updated: Source: Wordfence

Description

The Backup Migration plugin for WordPress is vulnerable to OS Command Injection in all versions up to, and including, 2.1.5.1 due to insufficient sanitization of the `file` POST parameter on the `restoreBackup()` AJAX handler. The handler applies `esc_attr()` — an HTML-context sanitizer that does not strip shell metacharacters — and concatenates the result, unquoted, into a `php-cli -f … bmi_restore <file> <remote>` command passed to `exec()`. This makes it possible for authenticated attackers, with Administrator-level access (or any user granted the plugin's `do_backups` capability) and above, to execute arbitrary OS commands as the web-server user, bypassing WordPress hardening constants such as `DISALLOW_FILE_EDIT` and `DISALLOW_FILE_MODS` that would otherwise prevent code execution from the admin UI. This is an incomplete fix of CVE-2023-7002, which patched the same pattern only in the `$_POST['url']` path of `handleQuickMigration()`; the equivalent mitigations (`rawurlencode()` + explicit shell-metachar replacement + double-quoting in `exec()`) were never applied to `$backupName`. Affected software — plugin: Backup Migration (affected: *-2.1.1). CVSS 7.2 (High) — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Indicators of Compromise (1)

Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.

cve CVE-2026-7693

IOC database

Type
cve
Value
CVE-2026-7693
First seen
Last seen
Attached to this threat
Appears in
1 threat
Description
Backup Migration <= 2.1.5.1 - Authenticated (Administrator+) OS Command Injection via 'file' Parameter

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Threat Hunt — feed corroboration

Not present in any configured threat-intel feed.

Details From VirusTotal

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References (3)

Remediations (1)

  • Wordfence remediation: Backup Migration
    Wordfence

    Update to version 2.1.5.2, or a newer patched version

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