CVE-2021-42335
CVE-2021-42335 is a medium-severity vulnerability in Huaju Easytest Online Learning Test Platform 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% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Huaju Easytest Online Learning Test Platform
- Published:
- Last modified:
Description
Easytest bulletin board management function of online learning platform does not filter special characters. After obtaining a user’s privilege, remote attackers can inject JavaScript and execute stored XSS attack.
Frequently asked questions
- What is CVE-2021-42335?
- Easytest bulletin board management function of online learning platform does not filter special characters. After obtaining a user’s privilege, remote attackers can inject JavaScript and execute stored XSS attack.
- How severe is CVE-2021-42335?
- CVE-2021-42335 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-2021-42335 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-42335?
- CVE-2021-42335 affects Huaju Easytest Online Learning Test Platform. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-42335?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-42335 published?
- CVE-2021-42335 was published on 2021-10-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:huaju:easytest_online_learning_test_platform:1705:*:*:*:*:*:*:*
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