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Fencer Vulns
medium 6.3

CVE-2021-23327 json

Cross-site Scripting (XSS)

published 2021-02-09 5 y ago modified 2026-06-17 4 mo ago also GHSA-w46j-8hm6-h8mm , EUVD-2021-0572

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

The package apexcharts before 3.24.0 are vulnerable to Cross-site Scripting (XSS) via lack of sanitization of graph legend fields.

Patch / fix

  • npm apexcharts 3.24.0
  • n/a apexcharts 3.24.0

Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/apexcharts/apexcharts.js/pull/2158 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected packages

ecosystem package affected fixed in
npm apexcharts
<3.24.0
3.24.0

Affected products

  • n/a apexcharts

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.