How severe is CVE-2021-23398?

CVE-2021-23398 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-23398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23398?

CVE-2021-23398 affects React-bootstrap-table Project React-bootstrap-table. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23398?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-23398 published?

CVE-2021-23398 was published on 2021-06-24 and last updated on 2026-06-17.

CVE-2021-23398

CVE-2021-23398 is a medium-severity vulnerability in React-bootstrap-table Project React-bootstrap-table with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: React-bootstrap-table Project React-bootstrap-table
Published: 2021-06-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-23398?: 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.
How severe is CVE-2021-23398?: CVE-2021-23398 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-23398 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23398?: CVE-2021-23398 affects React-bootstrap-table Project React-bootstrap-table. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23398?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23398 published?: CVE-2021-23398 was published on 2021-06-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:react-bootstrap-table_project:react-bootstrap-table:-:*:*:*:*:*:*:*

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