Highcharts JS is a JavaScript charting library based on SVG. In Highcharts versions 8 and earlier, the chart options structure was not systematically filtered for XSS vectors. The potential impact was that content from untrusted sources could execute code in the end user's browser. The vulnerability is patched in version 9. As a workaround, implementers who are not able to upgrade may apply DOMPurify recursively to the options structure to filter out malicious markup.
Published 2021-05-05 16:15:08
Updated 2022-06-04 01:45:27
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)Execute code

Exploit prediction scoring system (EPSS) score for CVE-2021-29489

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 17 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-29489

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
3.5
LOW AV:N/AC:M/Au:S/C:N/I:P/A:N
6.8
2.9
NIST
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
7.6
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
2.8
4.7
GitHub, Inc.

CWE ids for CVE-2021-29489

References for CVE-2021-29489

Products affected by CVE-2021-29489

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