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CVE-2026-23891

Published: Apr 13, 2026

Modified: Apr 14, 2026

PUBLISHED

Description

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.

Vendor	Product	Versions
decidim	decidim	affected `>= 0.31.0.rc1, < 0.31.1` affected `< 0.30.5`

Weaknesses (CWE)

References

https://github.com/decidim/decidim/security/advisories/GHSA-fc46-r95f-hq7g

x_refsource_CONFIRM

https://github.com/decidim/decidim/releases/tag/v0.30.5

x_refsource_MISC

https://github.com/decidim/decidim/releases/tag/v0.31.1

x_refsource_MISC

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