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TI-2024-30615 Aliases CVE-2024-45594GHSA-j4h6-gcj7-7v9v

Decidim allows cross-site scripting (XSS) in the online or hybrid meeting embeds

Priority LOW 35CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
High
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00264 18th percentileScored 2026-11-07
Fix Fixed decidim (decidim): 0.28.3decidim-meetings (RubyGems): 0.28.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
decidimdecidim0.28.0 to before 0.28.30.28.3Patch availableCNA
—decidim-meetings (RubyGems)0.28.0 to before 0.28.30.28.3Patch availableGHSA-j4h6-gcj7-7v9v
  • decidim Vendordecidim Affected 0.28.0 to before 0.28.3 Fixed in 0.28.3 Patch available CNA
  • decidim-meetings (RubyGems) Vendor— Affected 0.28.0 to before 0.28.3 Fixed in 0.28.3 Patch available GHSA-j4h6-gcj7-7v9v

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:decidim:decidim:*:*:*:*:*:ruby:*:*0.28.0 to before 0.28.3Vulnerabledecidim
  • cpe:2.3:a:decidim:decidim:*:*:*:*:*:ruby:*:* Versions 0.28.0 to before 0.28.3 Vulnerable ·decidim

Remediation

  • Fix · CNA decidim (decidim) Fixed in 0.28.3
  • Fix · GHSA-j4h6-gcj7-7v9v decidim-meetings (RubyGems) Fixed in 0.28.3 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-45594
  2. 2026-10-03 Alias added: GHSA-j4h6-gcj7-7v9v

References

  • TI-2025-40203 Decidim's private data exports can lead to data leaks CVSS 4.0HIGH 8.2
  • TI-2023-16936 Decidim vulnerable to sensitive data disclosure CVSS 3.1HIGH 7.5
  • TI-2026-19249 Decidim has a Cross-site scripting (XSS) vulnerability via user name field CVSS 4.0CRITICAL 9.3
  • TI-2023-18306 Decidim has broken access control in templates CVSS 3.1CRITICAL 9.1
  • TI-2023-16935 Decidim Cross-site Scripting vulnerability in the processes filter CVSS 3.1HIGH 8.1
  • TI-2023-15969 Decidim Cross-site Scripting vulnerability in the external link redirections CVSS 3.1HIGH 8.1
See all 14 →

Sources