What is CVE-2021-24571?

CVE-2021-24571 is a medium-severity vulnerability in Harmonicdesign Hd_quiz, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-08-23.

How severe is CVE-2021-24571?

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

Is CVE-2021-24571 known to be exploited?

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

XSS in Harmonicdesign Hd_quiz

CVE-2021-24571

The HD Quiz WordPress plugin before 1.8.4 does not escape some of its Answers before outputting them in attribute when generating the Quiz, which could lead to Stored Cross-Site Scripting issues

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.4th percentile) — read the EPSS interpretation.

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.

Affected products

Harmonicdesign Hd_quiz
Unknown Hd Quiz — versions 1.8.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-24571?: CVE-2021-24571 is a medium-severity vulnerability in Harmonicdesign Hd_quiz, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-08-23.
How severe is CVE-2021-24571?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24571 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.