CVE-2020-8281 — MEDIUM (5.4)

Q: What is CVE-2020-8281?

CVE-2020-8281 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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.

Q: How severe is CVE-2020-8281?

CVE-2020-8281 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-8281?

Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Contacts.

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Nextcloud	Contacts	< 3.4.0

Related Weaknesses (CWE)

CWE-79

References

https://hackerone.com/reports/894876ExploitThird Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-045Vendor Advisory
https://hackerone.com/reports/894876ExploitThird Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-045Vendor Advisory

FAQ

What is CVE-2020-8281?

CVE-2020-8281 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-8281?

Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Contacts.