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Vulnerable Software

Vulnerability Details CVE-2021-26918

The ProBot bot through 2021-02-08 for Discord might allow attackers to interfere with the intended purpose of the "Send an image when a user joins the server" feature (or possibly have unspecified other impact) because the uploader web service allows double extensions (such as .html.jpg) with the text/html content type. NOTE: there may not be cases in which an uploader web service is customer controlled; however, the nature of the issue has substantial interaction with customer controlled configuration. NOTE: the vendor states "This is just an uploader (like any other one) which uploads files to cloud storage and accepts various file types. There is no kind of vulnerability and it won't compromise either the client side or the server side.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 72.9%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
Products affected by CVE-2021-26918
  • Probot » Bot » Version: N/A
    cpe:2.3:a:probot:bot:-
  • Probot » Bot » Version: 2021-02-08
    cpe:2.3:a:probot:bot:2021-02-08


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