Cross-site scripting in Mastodon



Published: 2022-02-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-0432
CWE-ID CWE-79
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		Mastodon
Server applications / Other server solutions

Vendor Mastodon

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU60353

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-0432

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to the Prototype Pollution issue. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

Vulnerable software versions

Mastodon: 3.0.0 - 3.4.6

CPE2.3 External links

http://huntr.dev/bounties/d06da292-7716-4d74-a129-dd04773398d7
http://github.com/mastodon/mastodon/commit/4d6d4b43c6186a13e67b92eaf70fe1b70ea24a09

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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