CVE-2026-45572

Summary

Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, an administrator with landing-page editing privileges can store arbitrary HTML and JavaScript in an HTML content block, which Decidim::ContentBlocks::HtmlCell#html_content renders without sanitization, causing the script to execute in visitors' browsers. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.

Affected Software

VendorProductVersion RangeStatus
decidimdecidim< 0.30.9affected
decidimdecidim>= 0.31.0.rc1, < 0.31.5affected
decidimdecidim>= 0.32.0.rc1, < 0.32.0affected

Weaknesses

  • CWE-94: CWE-94: Improper Control of Generation of Code ('Code Injection')

References