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CVE-2026-6812— Ona <= 1.26 - Authenticated (Administrator+) Blind Server-Side Request Forgery via 'download_link' Parameter

Quick assessment

Affected
deothemes Ona
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 Ona 1.26及之前版本存在代码问题漏洞，该漏洞源于ona_activate_child_theme函数存在服务端请求伪造，可能导致经过身份验证的攻击者向任意位置发起Web请求，查询和修改内部服务信息。

CVSS 4.4 · Medium EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
deothemes Ona ≤ 1.26 affected
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I. Basic Information for CVE-2026-6812

Vulnerability Information
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Vulnerability Title
Ona <= 1.26 - Authenticated (Administrator+) Blind Server-Side Request Forgery via 'download_link' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Ona theme for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.26 via the ona_activate_child_theme. This makes it possible for authenticated attackers, with administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Ona 代码问题漏洞
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 Ona 1.26及之前版本存在代码问题漏洞，该漏洞源于ona_activate_child_theme函数存在服务端请求伪造，可能导致经过身份验证的攻击者向任意位置发起Web请求，查询和修改内部服务信息。
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
deothemes Ona 0 ~ 1.26 -

II. Public POCs for CVE-2026-6812

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III. Intelligence Information for CVE-2026-6812

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Vendor Advisories for CVE-2026-6812 (1)

IV. Related Vulnerabilities

Same product: Ona
Same vendor: deothemes
Same weakness: CWE-918

V. Comments for CVE-2026-6812

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