CVE-2021-24571
CVE-2021-24571 is a medium-severity vulnerability in Harmonicdesign Hd Quiz with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Harmonicdesign Hd Quiz
- Published:
- Last modified:
Description
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
Frequently asked questions
- What is 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
- How severe is CVE-2021-24571?
- CVE-2021-24571 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-24571 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24571?
- CVE-2021-24571 affects Harmonicdesign Hd Quiz. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24571?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24571 published?
- CVE-2021-24571 was published on 2021-08-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:harmonicdesign:hd_quiz:*:*:*:*:*:wordpress:*:*
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