CVE-2023-47635
CVE-2023-47635 is a medium-severity vulnerability in Decidim with a CVSS 3.x base score of 4.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.
Key facts
- Severity: Medium (CVSS 3.x base score 4.5)
- EPSS exploit prediction: 0% (23rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-0624
- Weakness: CWE-352
- Affected product: Decidim
- Published:
- Last modified:
Description
Decidim is a participatory democracy framework. Starting in version 0.23.0 and prior to versions 0.27.5 and 0.28.0, the CSRF authenticity token check is disabled for the questionnaire templates preview. The issue does not imply a serious security thread as you need to have access also to the session cookie in order to see this resource. This URL does not allow modifying the resource but it may allow attackers to gain access to information which was not meant to be public. The issue is fixed in version 0.27.5 and 0.28.0. As a workaround, disable the templates functionality or remove all available templates.
Frequently asked questions
- What is CVE-2023-47635?
- Decidim is a participatory democracy framework. Starting in version 0.23.0 and prior to versions 0.27.5 and 0.28.0, the CSRF authenticity token check is disabled for the questionnaire templates preview. The issue does not imply a serious security thread as you need to have access also to the session cookie in order to see this resource. This URL does not allow modifying the resource but it may allow attackers to gain access to information which was not meant to be public. The issue is fixed in version 0.27.5 and 0.28.0. As a workaround, disable the templates functionality or remove all available templates.
- How severe is CVE-2023-47635?
- CVE-2023-47635 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-47635 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-47635?
- CVE-2023-47635 affects Decidim. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-47635?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-47635 have an EU (EUVD) identifier?
- Yes. CVE-2023-47635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0624.
- When was CVE-2023-47635 published?
- CVE-2023-47635 was published on 2024-02-20 and last updated on 2026-06-17.
References
- https://github.com/decidim/decidim/blob/3187bdfd40ea1c57c2c12512b09a7fec0b2bed08/decidim-templates/app/controllers/decidim/templates/admin/questionnaire_templates_controller.rb#L11
- https://github.com/decidim/decidim/commit/5542227be66e3b6d7530f5b536069bce09376660
- https://github.com/decidim/decidim/commit/57a4b467787448307b5d9b01ce6e2c8502e121ac
- https://github.com/decidim/decidim/pull/11743
- https://github.com/decidim/decidim/pull/6247
- https://github.com/decidim/decidim/releases/tag/v0.27.5
- https://github.com/decidim/decidim/releases/tag/v0.28.0
- https://github.com/decidim/decidim/security/advisories/GHSA-f3qm-vfc3-jg6v
Affected products (1)
- cpe:2.3:a:decidim:decidim:*:*:*:*:*:ruby:*:*
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