CVE-2021-23445

mediumpriority · track · 25EPSS 0.020 · 80 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.98% (80th) EPSS

CVSS 4.3 · medium

Is it mine?

11 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.1–6.1

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.16.1mediumAV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:Psecondary · ENISA EU

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · report@snyk.ioexploitability 1.6 · impact 1.4

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79USCWE-79US

affected products (11)

Products and version ranges known to be affected.

IBM Spectrum Protect Plus <10.1.9.3all versionscert_bundDE
IBM Spectrum Scaleall versionscert_bundDEcpe:/a:ibm:spectrum_scale:-
IBM Spectrum Protect≤ Plus <10.1.9.3cert_bundDE
n/a datatables.netunspecified → 1.11.3enisa_euvdEU
SpryMedia Ltd DataTables≤ 1.11.3fstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.9fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 9fstec_bduRU
datatables datatables.net< 1.11.3nvdUScpe:2.3:a:datatables:datatables.net:*:*:*:*:*:*:*:*
npm datatables.net< 1.11.3osvUSpkg:npm/datatables.net

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0257IBM QRadar SIEM User Behavior Analytics: Mehrere SchwachstellenDeutsch2024-01-30csaf · cert_bundDE
Ein anonymer Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM User Behavior Analytics ausnutzen, um einen Denial-of-Service-Zustand herbeizuführen, einen Man-in-the-Middle-Angriff durchzuführen oder vertrauliche Informationen offenzulegen.
WID-SEC-W-2025-2471IBM Spectrum Protect Plus: Mehrere SchwachstellenDeutsch2022-01-31csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in IBM Spectrum Protect ausnutzen, um Daten zu manipulieren, Sicherheitsmaßnahmen zu umgehen und beliebigen Code auszuführen.
GHSA-h73q-5wmj-q8pjCross site scripting in datatables.net 2021-09-29ghsa · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2021-09-27modified 2026-06-17

related (53,013)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-42897US	medium6.1OT critical	70.7% (99th)	KEV	2026-05-14
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network…
CVE-2025-66376US	medium6.1OT critical	20.2% (97th)	KEV	2026-01-05
Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.
CVE-2025-68461US	medium6.1OT critical	27.4% (98th)	KEV	2025-12-18
Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.
CVE-2025-48700US	—OT critical	1.71% (77th)	KEV	2025-06-23
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to exec…
CVE-2025-27915US	—OT critical	4.06% (91st)	KEV	2025-03-12
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client due to insufficient…

+53008 more

references (27)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan