CVE-2021-3866: Cross-site Scripting (XSS) - Stored in zulip/zulip
Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2021-3866?
CVE-2021-3866 is a vulnerability that allows for cross-site scripting (XSS) attacks in the Zulip messaging application.
How severe is CVE-2021-3866?
CVE-2021-3866 has a severity rating of 5.4, which is considered medium.
Which software is affected by CVE-2021-3866?
Zulip versions up to and including 4.8 are affected by CVE-2021-3866.
How can I fix CVE-2021-3866?
To fix CVE-2021-3866, it is recommended to upgrade to a version of Zulip that is later than 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6.
Where can I find more information about CVE-2021-3866?
You can find more information about CVE-2021-3866 in the Zulip blog post at https://blog.zulip.com/2022/01/19/cve-2021-3866/ and the GitHub commit at https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6.