XSS in Expresstech Quiz_and_survey_master

CVE-2024-6390

The Quiz and Survey Master (QSM) WordPress plugin before 9.1.0 does not properly sanitise and escape some of its Quizz settings, which could allow high privilege users such as contributor to perform Stored Cross-Site Scripting attacks

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (22.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • contact@wpscan.com (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2024-6390?
CVE-2024-6390 is a medium-severity vulnerability in Expresstech Quiz_and_survey_master, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2024-08-03.
How severe is CVE-2024-6390?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2024-6390 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.