CVE-2021-23398Public exploitNetwork attack vector

Cross-site scripting via unsanitized dataFormat output

Published Jun 24, 2021 · Updated Sep 17, 2024

Cross-site scripting in AllenFang react-bootstrap-table 4.3.1 and earlier allows remote attackers to execute script via formatted table data. TableBody passes any non-React value returned by a column dataFormat callback directly to dangerouslySetInnerHTML without sanitization. Exploitation requires a user to render a table whose formatter returns attacker-controlled markup, which executes in the application's browser origin.

CVSS severity6.1
Medium
EPSS probability1.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in AllenFang react-bootstrap-table 4.3.1 and earlier allows remote attackers to execute script via formatted table data. TableBody passes any non-React value returned by a column dataFormat callback directly to dangerouslySetInnerHTML without sanitization. Exploitation requires a user to render a table whose formatter returns attacker-controlled markup, which executes in the application's browser origin.

The record

CVE
CVE-2021-23398
Published
Jun 24, 2021
Updated
Sep 17, 2024
Vendor
AllenFang
Product
react-bootstrap-table
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 24, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <unspecified

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

AllenFang · react-bootstrap-tableversion=0 <unspecified

Published CVSS scores

6.1GitHub Advisory DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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