What is CVE-2015-9389?

CVE-2015-9389 is a medium-severity vulnerability in Mtouch Quiz Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-09-20.

How severe is CVE-2015-9389?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2015-9389 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Mtouch Quiz Project

CVE-2015-9389

The mtouch-quiz plugin before 3.1.3 for WordPress has XSS via a quiz name.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-09-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Mtouch Quiz Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

wordpress.org/plugins/mtouch-quiz/ (Third Party Advisory, Release Notes)
www.davidsopas.com/multiple-vulns-on-mtouch-quiz-wordpress-plugin/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2015-9389?: CVE-2015-9389 is a medium-severity vulnerability in Mtouch Quiz Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-09-20.
How severe is CVE-2015-9389?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2015-9389 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.