CVE-2021-29489: Highcharts JS is a JavaScript charting library based on SVG

Q: How do I fix CVE-2021-29489?

highcharts: upgrade to 9.0.0; cloud backup: mitigate or apply the listed mitigation; oncommand insight: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2021-29489 being exploited?

CVE-2021-29489 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-29489 affect?

CVE-2021-29489 affects highcharts, cloud backup, oncommand insight. Severity is high (CVSS 7.6). 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 cou

This month

HIGH 7.6UPGRADEMITIGATEMITIGATE

CVE-2021-29489 is a high-severity flaw (CVSS 7.6) affecting highcharts, cloud backup, oncommand insight. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-05-05
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: highcharts · netapp

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-05-05 16:15 UTCPublished CVE record published
2026-06-17 03:47 UTCUpdated Record last modified

highcharts highcharts UPGRADE

Affected: < 9.0.0

Fixed in: 9.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy highcharts || rpm -q highcharts || highcharts --version

2. UPGRADE to 9.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade highcharts

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade highcharts

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

netapp cloud backup MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cloud-backup || rpm -q cloud-backup || cloud-backup --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

netapp oncommand insight MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy oncommand-insight || rpm -q oncommand-insight || oncommand-insight --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

netapp oncommand workflow automation MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy oncommand-workflow-automation || rpm -q oncommand-workflow-automation || oncommand-workflow-automation --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

netapp snapcenter MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy snapcenter || rpm -q snapcenter || snapcenter --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-29489?

highcharts: upgrade to 9.0.0; cloud backup: mitigate or apply the listed mitigation; oncommand insight: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-29489 being exploited?

CVE-2021-29489 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-29489 affect?

CVE-2021-29489 affects highcharts, cloud backup, oncommand insight. Severity is high (CVSS 7.6). 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 cou

How urgent is CVE-2021-29489?

Priority 41/100. High severity

Related CVEs

CVE-2018-20801 HIGH 7.5 UPGRADE In js/parts/SvgRenderer.js in Highcharts JS before 6.1.0, the use of backtracking regular expressions permitte

References

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