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Fencer Vulns
low 3.1

CVE-2021-23445 json

Cross-site Scripting (XSS)

published 2021-09-27 5 y ago modified 2026-06-17 4 mo ago also GHSA-h73q-5wmj-q8pj , EUVD-2021-2066

cvss
3.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

This affects the package datatables.net before 1.11.3. If an array is passed to the HTML escape entities function it would not have its contents escaped.

Patch / fix

  • npm datatables.net 1.11.3
  • n/a datatables.net 1.11.3
  • datatables.js Debian 14, Debian 13, Debian 12 1.10.21+dfsg-3

debian advisories DEBIAN-CVE-2021-23445

  • eap7-wss4j jboss enterprise application platform 7.4 2.4.3-1.redhat_00001.1.el9eap
  • eap7-wildfly jboss enterprise application platform 7.4 7.4.17-2.GA_redhat_00002.1.el9eap
  • eap7-undertow jboss enterprise application platform 7.4 2.2.32-1.SP1_redhat_00001.1.el9eap
  • eap7-apache-cxf jboss enterprise application platform 7.4 3.5.8-1.redhat_00001.1.el9eap
  • eap7-infinispan jboss enterprise application platform 7.4 11.0.19-2.Final_redhat_00001.1.el9eap
  • eap7-hal-console jboss enterprise application platform 7.4 3.3.22-1.Final_redhat_00001.1.el9eap
  • eap7-wss4j-policy jboss enterprise application platform 7.4 2.4.3-1.redhat_00001.1.el9eap
  • eap7-xml-security jboss enterprise application platform 7.4 2.3.4-1.redhat_00002.1.el9eap

red hat advisories RHSA-2024:3561RHSA-2024:3560RHSA-2024:3559

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-23445 updated cvss 6.1

datatables.net: contents of array not escaped by HTML escape entities function

  • Red Hat Decision Manager 7 datatables.net Red Hat Discovery 1 discovery-server-container Red Hat Fuse 7 datatables.net Red Hat JBoss Data Grid 7 datatables.net
    affected: workaround, no fix planned “Will not fix”
  • Red Hat JBoss Enterprise Application Platform Expansion Pack datatables.net
    affected: workaround, no fix available
  • Red Hat OpenShift Container Platform 3.11 openshift3/ose-console
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Process Automation 7 datatables.net Red Hat Virtualization 4 cockpit-ovirt-uiplugin, cockpit-ovirt-dashboard
    affected: workaround, no fix planned “Will not fix”
  • Red Hat JBoss EAP 7.4 for RHEL 7 Server eap7-hal-console 3.3.22-1.Final_redhat_00001.1.el7eap
    fixed: vendor fix RHSA-2024:3559
  • Red Hat JBoss EAP 7.4 for RHEL 8 eap7-wss4j 2.4.3-1.redhat_00001.1.el8eap, eap7-apache-cxf 3.5.8-1.redhat_00001.1.el8eap, eap7-wildfly 7.4.17-2.GA_redhat_00002.1.el8eap, eap7-wss4j-policy 2.4.3-1.redhat_00001.1.el8eap, eap7-xml-security 2.3.4-1.redhat_00002.1.el8eap, eap7-apache-cxf-rt 3.5.8-1.redhat_00001.1.el8eap, +46 more
    fixed: vendor fix RHSA-2024:3560
  • Red Hat JBoss EAP 7.4 for RHEL 9 eap7-wss4j 2.4.3-1.redhat_00001.1.el9eap, eap7-apache-cxf 3.5.8-1.redhat_00001.1.el9eap, eap7-wildfly 7.4.17-2.GA_redhat_00002.1.el9eap, eap7-wss4j-policy 2.4.3-1.redhat_00001.1.el9eap, eap7-xml-security 2.3.4-1.redhat_00002.1.el9eap, eap7-apache-cxf-rt 3.5.8-1.redhat_00001.1.el9eap, +46 more
    fixed: vendor fix RHSA-2024:3561
  • Red Hat JBoss Enterprise Application Platform hal-console 3.3.22.Final-redhat-00001
    fixed: vendor fix RHSA-2024:3563
show 1 more
  • Red Hat Enterprise Linux 8 cockpit, cockpit-ws, cockpit-pcp, cockpit-bridge, cockpit-system, cockpit-machines, +3 more Red Hat JBoss EAP 7.4 for RHEL 7 Server eap7-wss4j 2.4.3-1.redhat_00001.1.el7eap, eap7-apache-cxf 3.5.8-1.redhat_00001.1.el7eap, eap7-wildfly 7.4.17-2.GA_redhat_00002.1.el7eap, eap7-wss4j-policy 2.4.3-1.redhat_00001.1.el7eap, eap7-xml-security 2.3.4-1.redhat_00002.1.el7eap, eap7-apache-cxf-rt 3.5.8-1.redhat_00001.1.el7eap, +44 more Red Hat JBoss Enterprise Application Platform pom.xml, c3 0.6.0, c3 0.7.1, d3 5.9.2, fs 2.1.2, ip 2.0.0, +1556 more Red Hat JBoss Enterprise Application Platform 8 datatables.net Red Hat Satellite 6 nodejs-patternfly-react-catalog-view-extension
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • snyk.io https://snyk.io/vuln/SNYK-JS-DATATABLESNET-1540544 referenced PoC, tagged "exploit" by a source, unverified
  • snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1715371 referenced PoC, tagged "exploit" by a source, unverified
  • snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1715376 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P
CNA 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
npm datatables.net
<1.11.3
1.11.3

Affected products

  • n/a datatables.net

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.