Read the docs
TI-2024-27734 Aliases CVE-2024-41673GHSA-cc4g-m3g7-xmw8

Decidim has a cross-site scripting vulnerability in the version control page

Priority LOW 32CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · Low · 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 version control feature used in resources is subject to potential XSS attack through a malformed URL. This vulnerability is fixed in 0.27.8.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00424 36th percentileScored 2026-11-07
Fix Fixed decidim (decidim): 0.27.8decidim (RubyGems): 0.27.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
decidimdecidimbefore 0.27.80.27.8Patch availableCNA
—decidim (RubyGems)before 0.27.80.27.8Patch availableGHSA-cc4g-m3g7-xmw8
  • decidim Vendordecidim Affected before 0.27.8 Fixed in 0.27.8 Patch available CNA
  • decidim (RubyGems) Vendor— Affected before 0.27.8 Fixed in 0.27.8 Patch available GHSA-cc4g-m3g7-xmw8

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:decidim:decidim:*:*:*:*:*:*:*:*——decidim
  • cpe:2.3:a:decidim:decidim:*:*:*:*:*:*:*:* Versions — — ·decidim

Remediation

  • Fix · CNA decidim (decidim) Fixed in 0.27.8
  • Fix · GHSA-cc4g-m3g7-xmw8 decidim (RubyGems) Fixed in 0.27.8 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-41673
  2. 2026-10-03 Alias added: GHSA-cc4g-m3g7-xmw8

References

  • TI-2026-33169 Decidim: Verification documents can be downloaded through reusable links CVSS 3.1HIGH 7.5
  • TI-2025-40203 Decidim's private data exports can lead to data leaks CVSS 4.0HIGH 8.2
  • TI-2026-33203 Decidim: JWT-backed authentication can be replayed across organizations CVSS 3.1HIGH 8.5
  • TI-2026-33168 Decidim: Private exports can be downloaded through reusable links CVSS 3.1MEDIUM 6.5
  • TI-2026-33204 Decidim: CSV census record endpoints improper authorization CVSS 3.1MEDIUM 6.0
  • TI-2026-33167 Decidim: Admin user search allows SQL injection through similarity-based sorting CVSS 3.1MEDIUM 5.5
See all 28 →

Sources