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Closing vulnerabilities in Decidim, a Ruby-based citizen participation platform

Blog post from GitHub

Post Details
Company
Date Published
Author
Peter Stöckli
Word Count
2,742
Company Posts That Month
27
Language
English
Hacker News Points
-
Post removed?
No
Summary

In May 2023, the Decidim platform, widely used for digital citizen participation by entities like New York City and the European Union, addressed two critical security vulnerabilities identified by GitHub Security Lab. These included a cross-site scripting (XSS) vulnerability, which allowed attackers to perform actions on behalf of logged-in users through manipulated external links, potentially tricking citizens into endorsing proposals. The second vulnerability involved data exfiltration, enabling unauthorized access to sensitive information stored in Decidim's databases, facilitated by the Ransack library's default settings. Both vulnerabilities were mitigated with updated releases, highlighting the importance of robust security measures in open-source software to maintain trust in participatory digital processes.

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