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CVE-2020-5299

Status Candidate

Overview

In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, any users with the ability to modify any data that could eventually be exported as a CSV file from the `ImportExportController` could potentially introduce a CSV injection into the data to cause the generated CSV export file to be malicious. This requires attackers to achieve the following before a successful attack can be completed: 1. Have found a vulnerability in the victims spreadsheet software of choice. 2. Control data that would potentially be exported through the `ImportExportController` by a theoretical victim. 3. Convince the victim to export above data as a CSV and run it in vulnerable spreadsheet software while also bypassing any sanity checks by said software. Issue has been patched in Build 466 (v1.0.466).

Related Files

October CMS Build 465 XSS / File Read / File Deletion / CSV Injection
Posted Aug 3, 2020
Authored by Sivanesh Ashok

October CMS builds 465 and below suffer from arbitrary file read, arbitrary file deletion, file uploading to arbitrary locations, persistent and reflective cross site scripting, and CSV injection vulnerabilities.

tags | exploit, arbitrary, vulnerability, xss, file upload
advisories | CVE-2020-11083, CVE-2020-5295, CVE-2020-5296, CVE-2020-5297, CVE-2020-5298, CVE-2020-5299
SHA-256 | db161c36ea18421b21654c361479e95224d40c18622344eb445b051377246742
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