CVE-2021-23398: All versions of package react-bootstrap-table are vulnerable to Cross-site Scripting (XSS) via the dataFormat

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MEDIUM 6.1MITIGATE

CVE-2021-23398 is a medium-severity flaw (CVSS 6.1) affecting react-bootstrap-table. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

All versions of package react-bootstrap-table are vulnerable to Cross-site Scripting (XSS) via the dataFormat parameter. The problem is triggered when an invalid React element is returned, leading to dangerouslySetInnerHTML being used, which does not sanitize the output.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-06-24
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: react-bootstrap-table project

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

Am I affected?

Timeline

2021-06-24 15:15 UTCPublished CVE record published
2026-06-17 03:38 UTCUpdated Record last modified

react-bootstrap-table project react-bootstrap-table 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 react-bootstrap-table || rpm -q react-bootstrap-table || react-bootstrap-table --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-2021-23398?

react-bootstrap-table: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-23398 being exploited?

CVE-2021-23398 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-2021-23398 affect?

CVE-2021-23398 affects react-bootstrap-table. Severity is medium (CVSS 6.1). All versions of package react-bootstrap-table are vulnerable to Cross-site Scripting (XSS) via the dataFormat parameter. The problem is triggered when an invalid React element is returned, leading to dangerouslySetInnerHTML being used, whic

How urgent is CVE-2021-23398?

Priority 44/100. Public exploit reference

Software pages

React vulnerabilities · Bootstrap vulnerabilities

References

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