Decidim is a participatory democracy framework. The version control feature used in resources is subject to potential XSS attack through a malformed URL. This vulnerability is fixed in 0.27.8.
https://github.com/decidim/decidim/security/advisories/GHSA-cc4g-m3g7-xmw8
https://github.com/decidim/decidim/commit/8a18c8b1ee85a1b35ee0d8d5893f218695d15637
Published: 2024-10-01
Updated: 2026-04-15
Base Score: 8.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:P/A:N
Severity: High
Base Score: 7.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Severity: High
Base Score: 7.1
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Severity: High
EPSS: 0.0011