{"id":"CVE-2023-47635","aliases":["EUVD-2024-0624","GHSA-f3qm-vfc3-jg6v"],"status":"published","title":"Decidim vulnerable to possible CSRF attack at questionnaire templates preview","description":"Decidim is a participatory democracy framework. Starting in version 0.23.0 and prior to versions 0.27.5 and 0.28.0, the CSRF authenticity token check is disabled for the questionnaire templates preview. The issue does not imply a serious security thread as you need to have access also to the session cookie in order to see this resource. This URL does not allow modifying the resource but it may allow attackers to gain access to information which was not meant to be public. The issue is fixed in version 0.27.5 and 0.28.0. As a workaround, disable the templates functionality or remove all available templates.","severity":{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00313,"percentile":0.24445,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352","CWE-918"],"published":"2024-02-20T16:45:39Z","modified":"2026-10-28T02:30:46Z","fixes":[{"ecosystem":"RubyGems","package":"decidim-templates","fixed_in":["0.27.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"decidim-templates","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.23.0"},{"fixed":"0.27.5"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"decidim-templates","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.23.0"},{"fixed":"0.27.5"}]}],"versions":["0.23.0","0.23.1","0.23.1.rc1","0.23.2","0.23.3","0.23.4","0.23.5","0.23.6","0.24.0","0.24.0.rc1","0.24.0.rc2","0.24.1","0.24.2","0.24.3","0.25.0","0.25.0.rc1","0.25.0.rc2","0.25.0.rc3","0.25.0.rc4","0.25.1","0.25.2","0.26.0","0.26.0.rc1","0.26.0.rc2","0.26.1","0.26.10","0.26.2","0.26.3","0.26.4","0.26.5","0.26.7","0.26.8","0.26.9","0.27.0","0.27.0.rc1","0.27.0.rc2","0.27.1","0.27.2","0.27.3","0.27.4"]}],"products":[{"vendor":"decidim","product":"decidim"}],"references":[{"url":"https://github.com/decidim/decidim/security/advisories/GHSA-f3qm-vfc3-jg6v","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/decidim/decidim/pull/11743","tags":["x_refsource_MISC","x_transferred","Issue Tracking","fix","web"]},{"url":"https://github.com/decidim/decidim/pull/6247","tags":["x_refsource_MISC","x_transferred","Issue Tracking","fix","web"]},{"url":"https://github.com/decidim/decidim/commit/5542227be66e3b6d7530f5b536069bce09376660","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/decidim/decidim/commit/57a4b467787448307b5d9b01ce6e2c8502e121ac","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/decidim/decidim/blob/3187bdfd40ea1c57c2c12512b09a7fec0b2bed08/decidim-templates/app/controllers/decidim/templates/admin/questionnaire_templates_controller.rb#L11","tags":["x_refsource_MISC","x_transferred","Product","web"]},{"url":"https://github.com/decidim/decidim/releases/tag/v0.27.5","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://github.com/decidim/decidim/releases/tag/v0.28.0","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-47635","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f3qm-vfc3-jg6v"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47635.json","tags":["advisory"]},{"url":"https://github.com/decidim/decidim","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-47635","title":"Decidim vulnerable to possible CSRF attack at questionnaire templates preview","description":"Decidim is a participatory democracy framework. Starting in version 0.23.0 and prior to versions 0.27.5 and 0.28.0, the CSRF authenticity token check is disabled for the questionnaire templates preview. The issue does not imply a serious security thread as you need to have access also to the session cookie in order to see this resource. This URL does not allow modifying the resource but it may allow attackers to gain access to information which was not meant to be public. The issue is fixed in version 0.27.5 and 0.28.0. As a workaround, disable the templates functionality or remove all available templates.","status":"published","published":"2024-02-20T16:45:39.305Z","modified":"2024-08-22T13:25:39.658Z","cvss":[{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2024-0624","description":"Decidim is a participatory democracy framework. Starting in version 0.23.0 and prior to versions 0.27.5 and 0.28.0, the CSRF authenticity token check is disabled for the questionnaire templates preview. The issue does not imply a serious security thread as you need to have access also to the session cookie in order to see this resource. This URL does not allow modifying the resource but it may allow attackers to gain access to information which was not meant to be public. The issue is fixed in version 0.27.5 and 0.28.0. As a workaround, disable the templates functionality or remove all available templates.","status":"published","published":"2024-02-20T16:45:39Z","modified":"2024-08-22T13:25:39Z","cvss":[{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:56:13.216602Z"}],"ghsa":[{"id":"GHSA-f3qm-vfc3-jg6v","title":"Possible CSRF attack at questionnaire templates preview","description":"### Impact\nThe CSRF authenticity token check is currently disabled for the questionnaire templates preview as per:\nhttps://github.com/decidim/decidim/blob/3187bdfd40ea1c57c2c12512b09a7fec0b2bed08/decidim-templates/app/controllers/decidim/templates/admin/questionnaire_templates_controller.rb#L11\n\nThis was introduced by this commit in the PR that introduced this feature (#6247):\nhttps://github.com/decidim/decidim/pull/6247/commits/5542227be66e3b6d7530f5b536069bce09376660\n\nThe issue does not imply a serious security thread as you need to have access also to the session cookie in order to see this resource. This URL does not allow modifying the resource but it may allow attackers to gain access to information which was not meant to be public.\n\n### Patches\n#11743\n\n### Workarounds\nDisable the templates functionality or remove all available templates.\n\n### References\n#11743","status":"published","published":"2024-02-20T18:03:12Z","modified":"2026-03-20T05:03:02Z","cvss":[{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-352","CWE-918"],"updated_at":"2026-11-02T14:39:38.524712Z"}],"nvd":[{"id":"CVE-2023-47635","description":"Decidim is a participatory democracy framework. Starting in version 0.23.0 and prior to versions 0.27.5 and 0.28.0, the CSRF authenticity token check is disabled for the questionnaire templates preview. The issue does not imply a serious security thread as you need to have access also to the session cookie in order to see this resource. This URL does not allow modifying the resource but it may allow attackers to gain access to information which was not meant to be public. The issue is fixed in version 0.27.5 and 0.28.0. As a workaround, disable the templates functionality or remove all available templates.","status":"published","published":"2024-02-20T18:15:50.147Z","modified":"2026-06-17T06:33:01.337Z","cvss":[{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-918","CWE-352"],"updated_at":"2026-11-02T14:09:07.077422Z"}],"osv":[{"id":"CVE-2023-47635","title":"Decidim vulnerable to possible CSRF attack at questionnaire templates preview","description":"Decidim is a participatory democracy framework. Starting in version 0.23.0 and prior to versions 0.27.5 and 0.28.0, the CSRF authenticity token check is disabled for the questionnaire templates preview. The issue does not imply a serious security thread as you need to have access also to the session cookie in order to see this resource. This URL does not allow modifying the resource but it may allow attackers to gain access to information which was not meant to be public. The issue is fixed in version 0.27.5 and 0.28.0. As a workaround, disable the templates functionality or remove all available templates.","status":"published","published":"2024-02-20T16:45:39.305Z","modified":"2026-10-28T02:30:46.083276019Z","cvss":[{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:44:34.72355Z"},{"id":"GHSA-f3qm-vfc3-jg6v","title":"Possible CSRF attack at questionnaire templates preview","description":"### Impact\nThe CSRF authenticity token check is currently disabled for the questionnaire templates preview as per:\nhttps://github.com/decidim/decidim/blob/3187bdfd40ea1c57c2c12512b09a7fec0b2bed08/decidim-templates/app/controllers/decidim/templates/admin/questionnaire_templates_controller.rb#L11\n\nThis was introduced by this commit in the PR that introduced this feature (#6247):\nhttps://github.com/decidim/decidim/pull/6247/commits/5542227be66e3b6d7530f5b536069bce09376660\n\nThe issue does not imply a serious security thread as you need to have access also to the session cookie in order to see this resource. This URL does not allow modifying the resource but it may allow attackers to gain access to information which was not meant to be public.\n\n### Patches\n#11743\n\n### Workarounds\nDisable the templates functionality or remove all available templates.\n\n### References\n#11743","status":"published","published":"2024-02-20T18:03:12Z","modified":"2026-09-10T03:50:06.234153964Z","cvss":[{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-352","CWE-918"],"updated_at":"2026-11-02T15:46:45.639885Z"}]}}