CVE-2026-25764: OpenProject vulnerable to Stored HTML injection

Published Feb 6, 2026
·
Updated

OpenProject is an open-source, web-based project management software. Prior to versions 16.6.7 and 17.0.3, an HTML injection vulnerability occurs in the time tracking function of OpenProject. The application does not escape HTML tags, an attacker with administrator privileges can create a work package with the name containing the HTML tags and add it to the Work package section when creating time tracking. This issue has been patched in versions 16.6.7 and 17.0.3.

Affected Software

3 affected components
OpenProject OpenProject<16.6.7, <17.0.3
OpenProject OpenProject<16.6.7
OpenProject OpenProject>=17.0.0<17.0.3

Event History

Feb 6, 2026
CVE Published
via MITRE·10:10 PM
Data Sourced
via MITRE·10:10 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software
Feb 26, 58104
Event
via FIRST·11:16 PM

Frequently Asked Questions

1

What is the severity of CVE-2026-25764?

CVE-2026-25764 has a high severity rating due to the possibility of stored HTML injection, allowing attackers to execute malicious scripts.

2

How do I fix CVE-2026-25764?

To fix CVE-2026-25764, upgrade OpenProject to version 16.6.7 or 17.0.3 or later.

3

What are the potential impacts of CVE-2026-25764?

The potential impacts of CVE-2026-25764 include the execution of unauthorized scripts, data manipulation, and possible user credential theft.

4

Who is affected by CVE-2026-25764?

CVE-2026-25764 affects all users of OpenProject versions prior to 16.6.7 and 17.0.3.

5

Is CVE-2026-25764 a common vulnerability?

CVE-2026-25764 is not common, but it poses serious risks in environments using vulnerable versions of OpenProject.

Contact

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