Arbitrary Code Injection Affecting decidim-core package, versions <0.30.9>=0.31.0.rc1, <0.31.5>=0.32.0.rc1, <0.32.0.rc2
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Test your applications- Snyk IDSNYK-RUBY-DECIDIMCORE-17970859
- published14 Jul 2026
- disclosed13 Jul 2026
- creditUnknown
Introduced: 13 Jul 2026
NewCVE-2026-45572 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade decidim-core to version 0.30.9, 0.31.5, 0.32.0.rc2 or higher.
Overview
Affected versions of this package are vulnerable to Arbitrary Code Injection via the html_content process. An attacker can execute arbitrary scripts in the browsers of visitors by injecting malicious HTML or JavaScript into an HTML block that is rendered without proper sanitization. This is only exploitable if a user has administrative privileges to edit landing pages.
Workaround
This vulnerability can be mitigated by restricting admin permissions to only trusted users.