CVE-2026-32703
Persistent XSS in OpenProject Repositories via Unsanitized Filenames
Publication date: 2026-03-18
Last updated on: 2026-03-19
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| openproject | openproject | to 16.6.9 (exc) |
| openproject | openproject | From 17.0.0 (inc) to 17.0.6 (exc) |
| openproject | openproject | From 17.1.0 (inc) to 17.1.3 (exc) |
| openproject | openproject | 17.2.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in OpenProject, a web-based project management software. In certain versions before 16.6.9, 17.0.6, 17.1.3, and 17.2.1, the Repositories module did not properly escape filenames displayed from repositories. An attacker with push access to the repository could create commits with filenames containing malicious HTML code. This code would be injected into the page without proper sanitation, leading to a persistent cross-site scripting (XSS) attack. Any project member viewing the repositories page showing the changeset with the malicious filename could be affected.
How can this vulnerability impact me? :
The vulnerability allows an attacker with push access to execute persistent cross-site scripting attacks against all members of a project who view the affected repositories page. This can lead to unauthorized actions performed in the context of the victim's session, data theft, or compromise of user accounts. The CVSS score of 9.0 indicates a high severity with potential impacts on confidentiality, integrity, and availability.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade OpenProject to one of the fixed versions: 16.6.9, 17.0.6, 17.1.3, or 17.2.1.
This update addresses the improper escaping of filenames in the Repositories module that allowed persisted XSS attacks.