CVE-2023-51447 — Decidim is a participatory democracy framework
Decidim is a participatory democracy framework. Starting in version 0.27.0 and prior to versions 0.27.5 and 0.28.0, the dynamic file upload feature is subject to potential cross-site scripting attacks in case the attacker manages to modify the file names of the records being uplo
Published
2024-02-20T17:29:35.677Z
Last modified
2024-08-26T14:47:59.180Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
01What is this vulnerability?
Decidim is a participatory democracy framework. Starting in version 0.27.0 and prior to versions 0.27.5 and 0.28.0, the dynamic file upload feature is subject to potential cross-site scripting attacks in case the attacker manages to modify the file names of the records being uploaded to the server. This appears in sections where the user controls the file upload dialogs themselves and has the…
02Affected products
| Vendor | Product | Versions |
|---|
| decidim | decidim | >= 0.27.0, < 0.27.5 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2024-02-20T17:29:35.677Z
- Last modified: 2024-08-26T14:47:59.180Z
09References
- github.com — https://github.com/decidim/decidim/security/advisories/GHSA-9w99-78rj-hmxq
- github.com — https://github.com/decidim/decidim/pull/11612
- github.com — https://github.com/decidim/decidim/commit/aaf72787cf18beeeb6a771c1f7cbb7654b0734…
- github.com — https://github.com/decidim/decidim/releases/tag/v0.27.5
- github.com — https://github.com/decidim/decidim/releases/tag/v0.28.0
- github.com — https://github.com/rails/rails/blob/a967d355c6fee9ad9b8bd115d43bc8b0fc207e7e/act…
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