CVE-2026-45572
4.8
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
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
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| decidim | decidim | < 0.30.9 | affected |
| decidim | decidim | >= 0.31.0.rc1, < 0.31.5 | affected |
| decidim | decidim | >= 0.32.0.rc1, < 0.32.0 | affected |
Weaknesses
- CWE-94: CWE-94: Improper Control of Generation of Code ('Code Injection')
References
- https://github.com/decidim/decidim/security/advisories/GHSA-533c-2vh9-4r86
- https://github.com/decidim/decidim/pull/16451
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