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.
CVE-2023-47635
This medium-severity CVE scores 4.5 under NVD CVSS v3. EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.5
- EG Score
- 4.5(low)
- EPSS
- 23.6%
- KEV
- Not listed
Published
February 20, 2024
Last Modified
December 16, 2024
References (16)
- security-advisories@githubhttps://github.com/decidim/decidim/blob/3187bdfd40ea1c57c2c12512b09a7fec0b2bed08/decidim-templates/app/controllers/decidim/templates/admin/questionnaire_templates_controller.rb#L11
- security-advisories@githubhttps://github.com/decidim/decidim/commit/5542227be66e3b6d7530f5b536069bce09376660
- security-advisories@githubhttps://github.com/decidim/decidim/commit/57a4b467787448307b5d9b01ce6e2c8502e121ac
- security-advisories@githubhttps://github.com/decidim/decidim/pull/11743
- security-advisories@githubhttps://github.com/decidim/decidim/pull/6247
- security-advisories@githubhttps://github.com/decidim/decidim/releases/tag/v0.27.5
- security-advisories@githubhttps://github.com/decidim/decidim/releases/tag/v0.28.0
- security-advisories@githubhttps://github.com/decidim/decidim/security/advisories/GHSA-f3qm-vfc3-jg6v
- af854a3a-2127-422b-91ae-364da2661108https://github.com/decidim/decidim/blob/3187bdfd40ea1c57c2c12512b09a7fec0b2bed08/decidim-templates/app/controllers/decidim/templates/admin/questionnaire_templates_controller.rb#L11
- af854a3a-2127-422b-91ae-364da2661108https://github.com/decidim/decidim/commit/5542227be66e3b6d7530f5b536069bce09376660
- af854a3a-2127-422b-91ae-364da2661108https://github.com/decidim/decidim/commit/57a4b467787448307b5d9b01ce6e2c8502e121ac
- af854a3a-2127-422b-91ae-364da2661108https://github.com/decidim/decidim/pull/11743
- af854a3a-2127-422b-91ae-364da2661108https://github.com/decidim/decidim/pull/6247
- af854a3a-2127-422b-91ae-364da2661108https://github.com/decidim/decidim/releases/tag/v0.27.5
- af854a3a-2127-422b-91ae-364da2661108https://github.com/decidim/decidim/releases/tag/v0.28.0
Affected Packages
(1 across 1 ecosystem)
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| decidim-templates | 0.23.0 ... 0.27.4 (39 versions) | 0.27.5 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 14:06 UTCEPSS rescore
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- 2026-06-07 20:16 UTCOSV refresh
- 2026-06-07 15:24 UTCEPSS rescore
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- 2026-05-23 10:14 UTCEG score recompute
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2023-47635?
When was CVE-2023-47635 disclosed?
Is CVE-2023-47635 actively exploited?
What is the CVSS score of CVE-2023-47635?
How do I remediate CVE-2023-47635?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-47635
Is Your Infrastructure Affected by CVE-2023-47635?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.