XSS in Expresstech Quiz And Survey Master

CVE-2024-6879

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (33.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N.

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-2024-6879?
CVE-2024-6879 is a medium-severity vulnerability in Expresstech Quiz And Survey Master, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2024-08-26.
How severe is CVE-2024-6879?
Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2024-6879 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.