CVE-2021-36865

WordPress Quiz And Survey Master plugin <= 7.3.4 - Insecure direct object references (IDOR) vulnerability

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Insecure direct object references (IDOR) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 at WordPress allows attackers to change the content of the quiz.

Una vulnerabilidad de referencias directas a objetos inseguros (IDOR) en el plugin ExpressTech Quiz And Survey Master versiones anteriores a 7.3.4 incluyéndola en WordPress, permite a atacantes cambiar el contenido del cuestionario

The Quiz And Survey Master plugin for WordPress is vulnerable to insecure direct object reference in versions up to, and including, 7.3.4. This is due to insufficient validation on the key controlling a quiz's id. This makes it possible for authenticated attackers with author-level capabilities and above to change arbitrary quiz content.

*Credits: Vulnerability discovered by Ngo Van Thien (Patchstack Alliance)

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-19 CVE Reserved
2022-09-29 CVE Published
2024-09-17 CVE Updated
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-639: Authorization Bypass Through User-Controlled Key

CAPEC

References (2)

URL	Tag	Source
https://patchstack.com/database/vulnerability/quiz-master-next/wordpress-quiz-and-survey-master-plugin-7-3-4-insecure-direct-object-references-idor-vulnerability?_s_id=cve	Third Party Advisory
https://wordpress.org/plugins/quiz-master-next/#developers	Product

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Quizandsurveymaster Search vendor "Quizandsurveymaster"		Quiz And Survey Master Search vendor "Quizandsurveymaster" for product "Quiz And Survey Master"				<= 7.3.4 Search vendor "Quizandsurveymaster" for product "Quiz And Survey Master" and version " <= 7.3.4"		wordpress		Affected