Skip to main content
No exploitation reportedFix available

CVE-2021-23446

No exploitation reported by the sources we read.

  • Published2021-09-29
  • Fixed in10.0.0
  • WeaknessCWE-1333

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The package handsontable before 10.0.0; the package handsontable from 0 and before 10.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) in Handsontable.helper.isNumeric function.

Timeline

dates in UTC
  1. 2021-09-2917:15CVE publishedNVD

Versions per branch

NVD · OSV
Handsontable
BranchAffectedFixed in
10.0< 10.0.010.0.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Handsontable to 10.0.0

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.17.5known since 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • NVDweakness (CWE)CWE-1333read 2026-10-23
  • FIRST EPSSEPSS score3.0 %2026-11-09
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2021-09-30

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2021-09-29
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-hf66-r44g-p7j9

Frequently asked questions

What is CVE-2021-23446?

The package handsontable before 10.0.0; the package handsontable from 0 and before 10.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) in Handsontable.helper.isNumeric function.

Is CVE-2021-23446 actively exploited?

Active exploitation of CVE-2021-23446 has not been confirmed. Its EPSS score was 3.0% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-23446?

CVE-2021-23446 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Running handsontable? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record