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CVE-2026-10623— PressPrimer Quiz <= 2.3.0 - Insecure Direct Object Reference to Authenticated (Custom+) Arbitrary Modification via 'quiz_id', 'item_id', and 'rule_id' Parameters

Quick assessment

Affected
pressprimer PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin
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.

PressPrimer PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin是PressPrimer公司开源的一款AI测验构建与学习管理系统插件。 PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin 2.3.0及之前版本存在授权问题漏洞，该漏洞源于对rule_id参数的用户控制键缺少验证，可能导致不安全的直接对象引用，使得具有自定

CVSS 4.3 · Medium EPSS 0.25% · P15

Affected Version Matrix 1

VendorProduct Version RangeStatus
pressprimer PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin ≤ 2.3.0 affected
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I. Basic Information for CVE-2026-10623

Vulnerability Information
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Vulnerability Title
PressPrimer Quiz <= 2.3.0 - Insecure Direct Object Reference to Authenticated (Custom+) Arbitrary Modification via 'quiz_id', 'item_id', and 'rule_id' Parameters
Source: CVE Program / CVE List V5
Vulnerability Description
The PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.3.0 via the 'rule_id' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with custom-level access and above, to modify or delete quiz rules belonging to other teachers, resulting in unauthorized tampering of another user's quiz structure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PressPrimer PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin是PressPrimer公司开源的一款AI测验构建与学习管理系统插件。 PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin 2.3.0及之前版本存在授权问题漏洞，该漏洞源于对rule_id参数的用户控制键缺少验证，可能导致不安全的直接对象引用，使得具有自定
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
pressprimer PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin 0 ~ 2.3.0 -

II. Public POCs for CVE-2026-10623

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III. Intelligence Information for CVE-2026-10623

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Patches & Fixes for CVE-2026-10623 (1)

Vendor Advisories for CVE-2026-10623 (1)

IV. Related Vulnerabilities

Same weakness: CWE-639

V. Comments for CVE-2026-10623

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