CVE-2026-23891
1 advisory.
RubyGems/decidim-core CVE-2026-23891: high 8.7, EPSS 0.36%
Decidim has a cross-site scripting (XSS) in user name
Action: Upgrade decidim-core to 0.30.5 or later.
bundle update decidim-coreAffected
| introduced | fixed | last affected |
|---|---|---|
| 0.31.0.rc1 | 0.31.1 | - |
| 0 | 0.30.5 | - |
Fixed versions
| 0.31.1 | 0.30.5 |
Sources
- osv: GHSA-fc46-r95f-hq7g
- https://github.com/decidim/decidim/security/advisories/GHSA-fc46-r95f-hq7g
- https://nvd.nist.gov/vuln/detail/CVE-2026-23891
- https://github.com/decidim/decidim
- https://github.com/decidim/decidim/releases/tag/v0.30.5
- https://github.com/decidim/decidim/releases/tag/v0.31.1
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/decidim-core/CVE-2026-23891.yml
CVE-2026-23891 · published · modified · JSON