0.0
NA
CVE-2026-14820
Quiz And Survey Master < 11.1.3 - Unauthenticated User Enumeration and Password Oracle via Quiz Login
Description

The Quiz and Survey Master (QSM) WordPress plugin before 11.1.3 does not implement rate limiting or standard failed-login auditing on its front-end credential-check functionality and returns distinct responses for valid and invalid accounts, allowing unauthenticated attackers to enumerate valid usernames and to brute-force passwords while bypassing brute-force protection Quiz and Survey Master (QSM) WordPress plugin before 11.1.3.

INFO

Published Date :

July 27, 2026, 7:16 a.m.

Last Modified :

July 27, 2026, 7:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-14820 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update the Quiz and Survey Master plugin to version 11.1.3 or later to fix authentication bypass.
  • Update the Quiz and Survey Master plugin to 11.1.3 or later.
  • Implement rate limiting for login attempts.
  • Enable failed login auditing.
  • Use distinct responses for valid/invalid accounts.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-14820.

URL Resource
https://wpscan.com/vulnerability/22af8c73-8147-4205-8285-a35881f2d041/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-14820 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-14820 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-14820 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-14820 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jul. 27, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Unknown', 'product': 'Quiz and Survey Master (QSM)', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '11.1.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}]
    Added Description The Quiz and Survey Master (QSM) WordPress plugin before 11.1.3 does not implement rate limiting or standard failed-login auditing on its front-end credential-check functionality and returns distinct responses for valid and invalid accounts, allowing unauthenticated attackers to enumerate valid usernames and to brute-force passwords while bypassing brute-force protection Quiz and Survey Master (QSM) WordPress plugin before 11.1.3.
    Added Reference https://wpscan.com/vulnerability/22af8c73-8147-4205-8285-a35881f2d041/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.