CVE-2023-42452

CVSS 3.1 Score 5.4 of 10 (medium)

Details

Published Sep 19, 2023
Updated: Sep 22, 2023
CWE ID 79

Summary

CVE-2023-42452 is a vulnerability found in Mastodon, a free and open-source social network server based on ActivityPub. Versions prior to 4.0.10, 4.2.8, and 4.2.0-rc2 are affected. Under certain conditions, attackers can exploit the translation feature to bypass server-side HTML sanitization, allowing unescaped HTML to execute in the browser. Although Mastodon's Content Security Policy provides some protection by blocking inline scripts, there is still a risk of potential XSS attacks if there is a bypass or loophole in the CSP. It's important to note that user interaction is required for this vulnerability to be exploited by clicking on the "Translate" button on a malicious post. The mentioned versions contain a patch for this issue

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