CVE-2026-1879 | Harvard University IQSS Dataverse up to 6.8 Theme Customization /ThemeAndWidgets.xhtml uploadLogo unrestricted upload

VDB-354616 · CVE-2026-1879 · GCVE-100-354616 HARVARD UNIVERSITY IQSS DATAVERSE UP TO 6.8 THEME CUSTOMIZATION /THEMEANDWIDGETS.XHTML UPLOADLOGO UNRESTRICTED UPLOAD HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.7 $0-$5k 1.61+ Summaryinfo A vulnerability labeled as critical has been found in Harvard University IQSS Dataverse up to 6.8. This impacts an unknown function of the file /ThemeAndWidgets.xhtml of the component Theme Customization. Executing a manipulation of the argument uploadLogo can lead to unrestricted upload. This vulnerability is handled as CVE-2026-1879. The attack can be executed remotely. Additionally, an exploit exists. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. Detailsinfo A vulnerability was found in Harvard University IQSS Dataverse up to 6.8. It has been declared as critical. This vulnerability affects an unknown part of the file /ThemeAndWidgets.xhtml of the component Theme Customization. The manipulation of the argument uploadLogo with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The advisory is shared for download at gist.github.com. This vulnerability was named CVE-2026-1879. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1608.002. It is possible to download the exploit at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. Upgrading to version 6.10 eliminates this vulnerability. The upgrade is hosted for download at github.com. Productinfo Vendor Harvard University Name IQSS Dataverse Version 6.0 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 5.7 VulDB Base Score: 6.3 VulDB Temp Score: 5.7 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Unrestricted upload CWE: CWE-434 / CWE-284 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: IQSS Dataverse 6.10 Timelineinfo 04/01/2026 Advisory disclosed 04/01/2026 +0 days VulDB entry created 04/01/2026 +0 days VulDB entry last update Sourcesinfo Advisory: gist.github.com Status: Confirmed CVE: CVE-2026-1879 (🔒) GCVE (CVE): GCVE-0-2026-1879 GCVE (VulDB): GCVE-100-354616 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/01/2026 11:22 Changes: 04/01/2026 11:22 (60) Complete: 🔍 Submitter: JustF0rFun Cache ID: 99:FC7:101 Submitinfo Accepted Submit #749003: Harvard University Dataverse Project 6.8 build 1994-92d1ec8 Unrestricted Upload (by JustF0rFun) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸