CVE-2026-1879 MEDIUM

CVE-2026-1879: Harvard University IQSS Dataverse Theme Customization ThemeAndWidgets.xhtml unrestricted upload

Vendor Harvard University
Product IQSS Dataverse
Weakness CWE-434 · Unrestricted file upload
Published April 1, 2026
Last update April 1, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was detected in Harvard University IQSS Dataverse up to 6.8. This affects an unknown function of the file /ThemeAndWidgets.xhtml of the component Theme Customization. Performing a manipulation of the argument uploadLogo results in unrestricted upload. Remote exploitation of the attack is possible. The exploit is now public and may be used. Upgrading to version 6.10 mitigates this issue. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Key dates

02Disclosure timeline

April 1, 2026 CVE published
April 1, 2026 Record updated