{"cve":"CVE-2023-34089","nvd":{"published":"2023-07-11T18:15:16.170","modified":"2026-06-17T06:02:52.187","status":"Modified","description":"Decidim is a participatory democracy framework, written in Ruby on Rails, originally developed for the Barcelona City government online and offline participation website. The processes filter feature is susceptible to Cross-site scripting. This allows a remote attacker to execute JavaScript code in the context of a currently logged-in user. An attacker could use this vulnerability to make other users endorse or support proposals they have no intention of supporting or endorsing. The problem was patched in version 0.27.3 and 0.26.7.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/decidim/decidim/releases/tag/v0.26.6","https://github.com/decidim/decidim/releases/tag/v0.27.3","https://github.com/decidim/decidim/security/advisories/GHSA-5652-92r9-3fx9","https://github.com/decidim/decidim/releases/tag/v0.26.6","https://github.com/decidim/decidim/releases/tag/v0.27.3"],"products":["decidim:decidim"],"source":"nvd","synced_at":"2026-10-19T21:38:30.124994567+00:00"},"epss":{"cve":"CVE-2023-34089","score":0.00736,"percentile":0.54488,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5652-92r9-3fx9","url":"https://osv.dev/vulnerability/GHSA-5652-92r9-3fx9","summary":"Decidim Cross-site Scripting vulnerability in the processes filter","modified":"2026-09-10T03:50:08.497458363Z","packages":[{"ecosystem":"RubyGems","name":"decidim","purl":"pkg:gem/decidim","ranges":[">=0.14.0 <0.26.7"],"fixed":["0.26.7"]},{"ecosystem":"RubyGems","name":"decidim","purl":"pkg:gem/decidim","ranges":[">=0.27.0 <0.27.3"],"fixed":["0.27.3"]},{"ecosystem":"RubyGems","name":"decidim-core","purl":"pkg:gem/decidim-core","ranges":[">=0.14.0 <0.26.7"],"fixed":["0.26.7"]},{"ecosystem":"RubyGems","name":"decidim-core","purl":"pkg:gem/decidim-core","ranges":[">=0.27.0 <0.27.3"],"fixed":["0.27.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}