{"id":"CVE-2026-45572","title":"Decidim is a participatory democracy framework","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 con…","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-94"],"vendor":"decidim-core","product":"decidim-core","affected":["decidim-core < 0.30.9","decidim-core >= 0.31.0.rc1, < 0.31.5","decidim-core >= 0.32.0.rc1, < 0.32.0"],"patched":["decidim-core 0.30.9","decidim-core 0.31.5","decidim-core 0.32.0"],"published":"2026-08-06","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:51:43.490","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45572","references":[{"url":"https://github.com/decidim/decidim/pull/16451","label":"security-advisories@github.com"},{"url":"https://github.com/decidim/decidim/security/advisories/GHSA-533c-2vh9-4r86","label":"security-advisories@github.com"},{"url":"https://github.com/advisories/GHSA-533c-2vh9-4r86"}],"tags":["nvd","ghsa","rubygems"],"epss":0.0018,"epssPercentile":0.07813,"aliases":["GHSA-533c-2vh9-4r86"],"ecosystem":"rubygems","ingestedAt":"2026-07-13T17:27:58.919Z","slug":"CVE-2026-45572","body":"## Overview\n\nDecidim 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-45572)\n\nAffected packages:\n\n- `decidim-core < 0.30.9`\n- `decidim-core >= 0.31.0.rc1, < 0.31.5`\n- `decidim-core >= 0.32.0.rc1, < 0.32.0`\n\nPatched in:\n\n- `decidim-core 0.30.9`\n- `decidim-core 0.31.5`\n- `decidim-core 0.32.0`\n\nSource: https://github.com/advisories/GHSA-533c-2vh9-4r86","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}