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CVE-2026-10795— UpdraftPlus: WP Backup & Migration Plugin <= 1.26.4 - Unauthenticated Authentication Bypass via UpdraftCentral udrpc

Quick assessment

Affected
davidanderson UpdraftPlus: WP Backup & Migration Plugin
Exploitation
Public or AI PoC available; prioritize validation
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 UpdraftPlus: WP Backup & Migration Plugin 1.26.4及之前版本存在数据伪造问题漏洞，该漏洞源于远程通信消息格式验证不足，签名验证可被绕过且未检查的解密返回值崩溃为可预测的全

CVSS 8.1 · High EPSS 3.64% · P89

Affected Version Matrix 1

VendorProduct Version RangeStatus
davidanderson UpdraftPlus: WP Backup & Migration Plugin ≤ 1.26.4 affected
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I. Basic Information for CVE-2026-10795

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
UpdraftPlus: WP Backup & Migration Plugin <= 1.26.4 - Unauthenticated Authentication Bypass via UpdraftCentral udrpc
Source: CVE Program / CVE List V5
Vulnerability Description
The UpdraftPlus: WP Backup & Migration Plugin plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.26.4 via the UpdraftPlus_Remote_Communications_V2::wp_loaded function. This is due to insufficient validation of the remote communications message format, where signature verification can be bypassed and unchecked decryption return values collapse to a predictable all-zero encryption key. This makes it possible for unauthenticated attackers to forge arbitrary RPC commands and run them as the connected administrator, such as uploading and activating a malicious plugin, which ultimately leads to remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin UpdraftPlus: WP Backup & Migration Plugin 数据伪造问题漏洞
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 UpdraftPlus: WP Backup & Migration Plugin 1.26.4及之前版本存在数据伪造问题漏洞，该漏洞源于远程通信消息格式验证不足，签名验证可被绕过且未检查的解密返回值崩溃为可预测的全
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
davidanderson UpdraftPlus: WP Backup & Migration Plugin 0 ~ 1.26.4 -

II. Public POCs for CVE-2026-10795

# POC Description Source Link Shenlong Link
1 UpdraftPlus WP Backup & Migration Plugin for WordPress <= 1.26.4 contains an authentication bypass caused by insufficient validation in UpdraftPlus_Remote_Communications_V2::wp_loaded, letting unauthenticated attackers execute arbitrary RPC commands as admin, exploit requires no authentication. https://github.com/projectdiscovery/nuclei-templates/blob/main/code/cves/2026/CVE-2026-10795.yaml POC Details
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III. Intelligence Information for CVE-2026-10795

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Patches & Fixes for CVE-2026-10795 (1)

News Coverage for CVE-2026-10795 (1)

IV. Related Vulnerabilities

Same product: UpdraftPlus: WP Backup & Migration Plugin
Same vendor: davidanderson
Same weakness: CWE-347

V. Comments for CVE-2026-10795

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