ExpressTech Systems Quiz and Survey Master Plugin up to 10.3.4 on WordPress authorization

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.
5.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in ExpressTech Systems Quiz and Survey Master Plugin up to 10.3.4 on WordPress. Affected is an unknown function. Executing a manipulation can lead to authorization. The identification of this vulnerability is CVE-2026-25329. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in ExpressTech Systems Quiz and Survey Master Plugin up to 10.3.4 on WordPress and classified as critical. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Missing Authorization vulnerability in ExpressTech Systems Quiz And Survey Master quiz-master-next allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Quiz And Survey Master: from n/a through <= 10.3.4.

The weakness was shared by Mamadrce. The advisory is available at patchstack.com. This vulnerability was named CVE-2026-25329 since 02/02/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/27/2026).

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

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 4.3
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/02/2026 CVE reserved
02/19/2026 +17 days Advisory disclosed
02/19/2026 +0 days VulDB entry created
02/27/2026 +8 days VulDB entry last update

Sourcesinfo

Advisory: patchstack.com
Researcher: Mamadrce
Status: Not defined

CVE: CVE-2026-25329 (🔒)
GCVE (CVE): GCVE-0-2026-25329
GCVE (VulDB): GCVE-100-346774

Entryinfo

Created: 02/19/2026 11:42
Updated: 02/27/2026 08:25
Changes: 02/19/2026 11:42 (54), 02/27/2026 08:25 (11)
Complete: 🔍
Cache ID: 216::103

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