CVE-2026-44696

MediumCVSS 5.7/10Last modified Oct 25, 2026

Description

OpenProject is open-source, web-based project management software. Prior to 17.4.0, OpenProject's rich text (markdown) rendering pipeline uses Sanitize::Config::RELAXED[:css] for inline style sanitization. This configuration permits essentially all CSS properties in style attributes on permitted HTML elements (figure, img, table, th, tr, td). This allows any authenticated user with write access to formattable text fields (work package descriptions, comments, project descriptions, news) to inject CSS This vulnerability is fixed in 17.4.0.

Metrics

CVSS 3.1 5.7/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published: Jun 26, 2026
Last modified: Oct 25, 2026
NVD status: Deferred

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