CVE-2021-39248
CVE-2021-39248 is a medium-severity vulnerability in Edx Edx-platform with a CVSS 3.x base score of 6.1. 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 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Edx Edx-platform
- Published:
- Last modified:
Description
Open edX through Lilac.1 allows XSS in common/static/common/js/discussion/utils.js via crafted LaTeX content within a discussion.
Frequently asked questions
- What is CVE-2021-39248?
- Open edX through Lilac.1 allows XSS in common/static/common/js/discussion/utils.js via crafted LaTeX content within a discussion.
- How severe is CVE-2021-39248?
- CVE-2021-39248 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-39248 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-39248?
- CVE-2021-39248 affects Edx Edx-platform. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-39248?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-39248 published?
- CVE-2021-39248 was published on 2021-08-17 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:edx:edx-platform:-:*:*:*:*:*:*:*
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