Vulnerability Details : CVE-2021-37936
It was discovered that Kibana was not sanitizing document fields containing HTML snippets. Using this vulnerability, an attacker with the ability to write documents to an elasticsearch index could inject HTML. When the Discover app highlighted a search term containing the HTML, it would be rendered for the user.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-37936
- cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-37936
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-37936
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-37936
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- bressers@elastic.co (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-37936
-
https://www.elastic.co/community/security/
Elastic Stack Security Disclosures ยท Report Issues | ElasticMitigation;Vendor Advisory
-
https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077
Elastic Stack 7.14.1 Security Update - Announcements / Security Announcements - Discuss the Elastic StackMitigation;Vendor Advisory
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