CVE-2020-8281
CVE-2020-8281 is a medium-severity vulnerability in Nextcloud Contacts 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% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Nextcloud Contacts
- Published:
- Last modified:
Description
A missing file type check in Nextcloud Contacts 3.3.0 allows a malicious user to upload malicious SVG files to perform cross-site scripting (XSS) attacks.
Frequently asked questions
- What is CVE-2020-8281?
- A missing file type check in Nextcloud Contacts 3.3.0 allows a malicious user to upload malicious SVG files to perform cross-site scripting (XSS) attacks.
- How severe is CVE-2020-8281?
- CVE-2020-8281 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-2020-8281 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8281?
- CVE-2020-8281 affects Nextcloud Contacts. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8281?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-8281 published?
- CVE-2020-8281 was published on 2021-01-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nextcloud:contacts:*:*:*:*:*:*:*:*
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