CVE-2024-6879

Name: CVE-2024-6879
Creator: NVD / NIST
Published: 2024-08-26T06:15:04.867+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2024-6879 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. The Quiz and Survey Master (QSM) WordPress plugin before 9.1.1 fails to validate and escape certain Quiz fields before displaying them on a page or post where the Quiz is embedded, which could allows contributor and above roles to perform Stored Cross-Site Scripting (XSS) attacks.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

The Quiz and Survey Master (QSM) WordPress plugin before 9.1.1 fails to validate and escape certain Quiz fields before displaying them on a page or post where the Quiz is embedded, which could allows contributor and above roles to perform Stored Cross-Site Scripting (XSS) attacks.

Metrics

CVSS 3.1

4.7/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

EPSS Probability

0.41%

32.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Expresstech	Quiz And Survey Master	< 9.1.1

References

https://wpscan.com/vulnerability/4da0b318-03e7-409d-9b02-f108e4232c87/Exploit, Third Party Advisory

Timeline

Published: Aug 26, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-6879?

How severe is CVE-2024-6879?

CVE-2024-6879 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2024-6879?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-6879?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST