CVE-2021-3866
Zulip GitHub Repository Stored Cross-Site Scripting Vulnerability
Description
Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6.
INFO
Published Date :
Jan. 20, 2022, 11:15 a.m.
Last Modified :
Feb. 3, 2022, 2:20 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.3
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-3866.
| URL | Resource |
|---|---|
| https://blog.zulip.com/2022/01/19/cve-2021-3866/ | Vendor Advisory |
| https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6 | Patch Third Party Advisory |
| https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2 | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-3866 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3866 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Feb. 03, 2022
Action Type Old Value New Value Changed Reference Type https://blog.zulip.com/2022/01/19/cve-2021-3866/ No Types Assigned https://blog.zulip.com/2022/01/19/cve-2021-3866/ Vendor Advisory -
CVE Modified by [email protected]
Jan. 29, 2022
Action Type Old Value New Value Changed Description Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip prior to and including 4.8. Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6. -
CVE Modified by [email protected]
Jan. 28, 2022
Action Type Old Value New Value Added Reference https://blog.zulip.com/2022/01/19/cve-2021-3866/ [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 26, 2022
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6 No Types Assigned https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6 Patch, Third Party Advisory Changed Reference Type https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2 No Types Assigned https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2 Exploit, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:zulip:zulip:*:*:*:*:*:*:*:* versions up to (including) 4.8 -
CVE Modified by [email protected]
Jan. 21, 2022
Action Type Old Value New Value Changed Description Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip prior to main. Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip prior to and including 4.8.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3866 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-3866
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.24459
percentile