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CVE-2026-5753— All-in-One WP Migration Unlimited Extension <= 2.83 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Backup Schedule Creation and Backup File Download

Quick assessment

Affected
servmask All-in-One WP Migration Unlimited Extension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin All-in-One WP Migration Unlimited Extension 2.83及之前版本存在安全漏洞，该漏洞源于Ai1wmve_Schedules_Controller::save处理程序未验证用户

CVSS 6.5 · Medium EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
servmask All-in-One WP Migration Unlimited Extension ≤ 2.83 affected
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I. Basic Information for CVE-2026-5753

Vulnerability Information
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Vulnerability Title
All-in-One WP Migration Unlimited Extension <= 2.83 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Backup Schedule Creation and Backup File Download
Source: CVE Program / CVE List V5
Vulnerability Description
The All-in-One WP Migration Unlimited Extension plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 2.83. This is due to the 'Ai1wmve_Schedules_Controller::save' handler for 'admin_post_ai1wm_schedule_event_save' not verifying user capabilities before saving schedule data. This makes it possible for authenticated attackers, with subscriber-level access and above, to create scheduled export jobs and send backup notifications to attacker-controlled email addresses. Because such notifications include the random backup filename, full site backups can subsequently be downloaded from the target site, resulting in sensitive information exposure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin All-in-One WP Migration Unlimited Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin All-in-One WP Migration Unlimited Extension 2.83及之前版本存在安全漏洞，该漏洞源于Ai1wmve_Schedules_Controller::save处理程序未验证用户
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
servmask All-in-One WP Migration Unlimited Extension 0 ~ 2.83 -

II. Public POCs for CVE-2026-5753

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III. Intelligence Information for CVE-2026-5753

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Vendor Advisories for CVE-2026-5753 (1)

Vendor Pages for CVE-2026-5753 (1)

IV. Related Vulnerabilities

Same product: All-in-One WP Migration Unlimited Extension
Same vendor: servmask
Same weakness: CWE-862

V. Comments for CVE-2026-5753

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