VDB-210045 · CVE-2021-36865 · GCVE-0-2021-36865

ExpressTech Quiz and Survey Master Plugin up to 7.3.4 on WordPress resource injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in ExpressTech Quiz and Survey Master Plugin up to 7.3.4 on WordPress and classified as critical. Affected by this vulnerability is an unknown functionality of the component Quiz Handler. Performing a manipulation results in resource injection. This vulnerability is known as CVE-2021-36865. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in ExpressTech Quiz and Survey Master Plugin up to 7.3.4 on WordPress (Survey Software). This affects an unknown part of the component Quiz Handler. The manipulation with an unknown input leads to a resource injection vulnerability. CWE is classifying the issue as CWE-99. The product receives input from an upstream component, but it does not restrict or incorrectly restricts the input before it is used as an identifier for a resource that may be outside the intended sphere of control. This is going to have an impact on integrity, and availability. The summary by CVE is:

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.

The weakness was published 10/01/2022. The advisory is shared at patchstack.com. This vulnerability is uniquely identified as CVE-2021-36865 since 07/19/2021. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Survey Software

Name

ExpressTech Quiz and Survey Master Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.8
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 3.8
CNA Vector (Patchstack): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource injection
CWE: CWE-99
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/19/2021 🔍
10/01/2022 +439 days 🔍
10/01/2022 +0 days 🔍
02/21/2025 +874 days 🔍

Sourcesinfo

Advisory: patchstack.com
Status: Not defined

CVE: CVE-2021-36865 (🔍)
GCVE (CVE): GCVE-0-2021-36865
GCVE (VulDB): GCVE-100-210045

Entryinfo

Created: 10/01/2022 08:44
Updated: 02/21/2025 05:03
Changes: 10/01/2022 08:44 (49), 10/29/2022 09:51 (11), 02/21/2025 05:03 (15)
Complete: 🔍
Cache ID: 216::103