CVE-2026-25764 OpenProject vulnerable to Stored HTML injection
An attacker with admin privileges can inject HTML into time tracking work packages, potentially leading to script execution or account takeover.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-25764?
CVE-2026-25764 is a low-severity cross-site scripting vulnerability in opf openproject, published on 6 Feb 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-80
Which versions are affected by CVE-2026-25764?
It affects 1 product.
Products include Openproject Openproject.
How do I fix CVE-2026-25764?
No fix has been published for CVE-2026-25764 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-25764 being exploited?
There is no known exploitation of CVE-2026-25764 in the wild and no public exploit code.
Other vulnerabilities in opf openproject
- CVE-2026-34717 OpenProject: SQL Injection in Cost Reporting =n Operator via parse_number_string
- CVE-2026-25763 Command Injection on OpenProject repositories leads to Remote Code Execution
- CVE-2026-24685 OpenProject has Argument Injection on Repository module that allows Arbitrary File Write
- CVE-2026-32698 OpenProject has a SQL Injection via Custom Field Name that can be chained to Remote Code Execution
- CVE-2026-32703 OpenProject's repository files are served with the MIME type allowing them to be used to bypass Content Security Policy
Sources
Also known as GHSA-q523-c695-h3hp.