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CVE-2025-10493— Chained Quiz <= 1.3.5 - Unauthenticated Insecure Direct Object Reference via Cookie

Quick assessment

Affected
prasunsen Chained Quiz
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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Chained Quiz 1.3.4及之前版本存在安全漏洞，该漏洞源于quiz提交和完成机制中缺少对用户控制密钥的验证，可能导致不安全的直接对象引用攻击。

CVSS 5.3 · Medium EPSS 0.92% · P59

Public Exploits 1

ExploitDB · 1 EDB-52464 [webapps]
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I. Basic Information for CVE-2025-10493

Vulnerability Information
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Vulnerability Title
Chained Quiz <= 1.3.5 - Unauthenticated Insecure Direct Object Reference via Cookie
Source: CVE Program / CVE List V5
Vulnerability Description
The Chained Quiz plugin for WordPress is vulnerable to Insecure Direct Object Reference in version 1.3.4 and below via the quiz submission and completion mechanisms due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to hijack and modify other users' quiz attempts by manipulating the chained_completion_id cookie value, allowing them to alter quiz answers, scores, and results of any user. The vulnerability was partially patched in versions 1.3.4 and 1.3.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Chained Quiz 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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Chained Quiz 1.3.4及之前版本存在安全漏洞，该漏洞源于quiz提交和完成机制中缺少对用户控制密钥的验证，可能导致不安全的直接对象引用攻击。
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
prasunsen Chained Quiz * ~ 1.3.5 -

II. Public POCs for CVE-2025-10493

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III. Intelligence Information for CVE-2025-10493

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Vendor Advisories for CVE-2025-10493 (1)

IV. Related Vulnerabilities

Same product: Chained Quiz
Same vendor: prasunsen
Same weakness: CWE-639

V. Comments for CVE-2025-10493

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