CVE-2026-23891
Decidim has a Cross-site scripting (XSS) vulnerability via user name field
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Decidim is a participatory democracy framework. In versions below 0.30.5 and 0.31.0.rc1 through 0.31.0, a stored code execution vulnerability in the user name field allows a low-privileged attacker to execute arbitrary code in the context of any user who passively visits a comment page, resulting in high confidentiality and integrity impact across security boundaries. This issue has been fixed in versions 0.30.5 and 0.31.1.
| CWE | CWE-79 |
| Vendor | decidim |
| Product | decidim |
| Published | Apr 13, 2026 |
| Last Updated | Apr 14, 2026 |
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Affected Versions
decidim / decidim
>= 0.31.0.rc1, < 0.31.1 < 0.30.5