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TI-2026-01547 Aliases CVE-2026-1879GHSA-xfqh-9ppr-q5mc

Harvard University IQSS Dataverse Theme Customization ThemeAndWidgets.xhtml unrestricted upload

Priority MEDIUM 57CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass, Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00262 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed IQSS Dataverse (Harvard University): 6.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Harvard UniversityIQSS Dataverse6.0; 6.1; 6.2; 6.3; 6.4; 6.5; 6.6; 6.7; 6.86.10Patch availableCNA
  • IQSS Dataverse VendorHarvard University Affected 6.0; 6.1; 6.2; 6.3; 6.4; 6.5; 6.6; 6.7; 6.8 Fixed in 6.10 Patch available CNA

Remediation

  • Fix · CNA IQSS Dataverse (Harvard University) Fixed in 6.10

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-1879
  2. 2026-10-03 Alias added: GHSA-xfqh-9ppr-q5mc

References

Exploit 1

Patch 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences