{"id":"CVE-2024-45594","aliases":["EUVD-2024-3271","GHSA-j4h6-gcj7-7v9v"],"status":"published","title":"Decidim allows cross-site scripting (XSS) in the online or hybrid meeting embeds","description":"Decidim is a participatory democracy framework. The meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL. This vulnerability is fixed in 0.28.3 and 0.29.0.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00264,"percentile":0.18484,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2024-11-13T16:21:37Z","modified":"2026-10-28T02:31:10Z","fixes":[{"ecosystem":"RubyGems","package":"decidim-meetings","fixed_in":["0.28.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"decidim-meetings","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.28.0"},{"fixed":"0.28.3"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"decidim-meetings","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.28.0"},{"fixed":"0.28.3"}]}],"versions":["0.28.0","0.28.1","0.28.2"]}],"products":[{"vendor":"decidim","product":"decidim"}],"references":[{"url":"https://github.com/decidim/decidim/security/advisories/GHSA-j4h6-gcj7-7v9v","tags":["x_refsource_CONFIRM","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-45594","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/decidim-meetings/CVE-2024-45594.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-j4h6-gcj7-7v9v"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45594.json","tags":["advisory"]},{"url":"https://github.com/decidim/decidim","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-45594","title":"Decidim allows cross-site scripting (XSS) in the online or hybrid meeting embeds","description":"Decidim is a participatory democracy framework. The meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL. This vulnerability is fixed in 0.28.3 and 0.29.0.","status":"published","published":"2024-11-13T16:21:37.85Z","modified":"2024-11-13T18:43:57.042Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:08.500935Z"}],"euvd":[{"id":"EUVD-2024-3271","description":"Decidim is a participatory democracy framework. The meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL. This vulnerability is fixed in 0.28.3 and 0.29.0.","status":"published","published":"2024-11-13T16:21:37Z","modified":"2024-11-13T18:43:57Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T00:05:01.264685Z"}],"ghsa":[{"id":"GHSA-j4h6-gcj7-7v9v","title":"decidim-meetings Cross-site scripting vulnerability in the online or hybrid meeting embeds","description":"### Impact\n\nThe meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL.\n\n### Patches\n\nNot available\n\n### Workarounds\n\nDisable the creation of meetings by participants in the meeting component.\n\n### References\n\nOWASP ASVS v4.0.3-5.1.3\n\n### Credits\n\nThis issue was discovered in a security audit organized by mitgestalten Partizipationsbüro against Decidim. The security audit was implemented by the Austrian Institute of Technology.","status":"published","published":"2024-11-13T17:24:40Z","modified":"2026-07-18T17:21:55Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium"},{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:40:46.257074Z"}],"nvd":[{"id":"CVE-2024-45594","description":"Decidim is a participatory democracy framework. The meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL. This vulnerability is fixed in 0.28.3 and 0.29.0.","status":"published","published":"2024-11-13T17:15:10.333Z","modified":"2026-06-17T07:54:32.143Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:37.281254Z"}],"osv":[{"id":"CVE-2024-45594","title":"Decidim allows cross-site scripting (XSS) in the online or hybrid meeting embeds","description":"Decidim is a participatory democracy framework. The meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL. This vulnerability is fixed in 0.28.3 and 0.29.0.","status":"published","published":"2024-11-13T16:21:37.85Z","modified":"2026-10-28T02:31:10.118927814Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:42.790566Z"},{"id":"GHSA-j4h6-gcj7-7v9v","title":"decidim-meetings Cross-site scripting vulnerability in the online or hybrid meeting embeds","description":"### Impact\n\nThe meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL.\n\n### Patches\n\nNot available\n\n### Workarounds\n\nDisable the creation of meetings by participants in the meeting component.\n\n### References\n\nOWASP ASVS v4.0.3-5.1.3\n\n### Credits\n\nThis issue was discovered in a security audit organized by mitgestalten Partizipationsbüro against Decidim. The security audit was implemented by the Austrian Institute of Technology.","status":"published","published":"2024-11-13T17:24:40Z","modified":"2026-07-18T17:30:29.206551492Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:49.977351Z"}]}}