CVE-2023-51447

Summary

CVE-2023-51447 is a vulnerability that affects the Decidim participatory democracy framework. Versions 0.27.0 and prior to versions 0.27.5 and 0.28.0 are susceptible to potential cross-site scripting attacks if the attacker can modify file names during the upload process. Exploiting this vulnerability requires the attacker to control the user's session, successfully upload a file with a malicious name, and direct another user to the edit page where the attachment is located. The risk score for this vulnerability is 25, with a base severity of MEDIUM and a base score of 6.3 according to CVSS version 3.1 rating. The potential danger posed by this vulnerability is high in terms of confidentiality impact, as it allows for unauthorized access and manipulation of sensitive data. To remediate this vulnerability, users should update their Decidim framework to versions 0.27.5 or 0.28.0, which address this issue by implementing proper input validation during file uploads.

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