CVE-2020-8281
MEDIUMCVSS 5.4/10EPSS 0.62%
Last modified
CVE-2020-8281 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Contacts | < 3.4.0 |
References
- https://hackerone.com/reports/894876Exploit, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-045Vendor Advisory
- https://hackerone.com/reports/894876Exploit, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-045Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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 score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8281?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-8281?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST