CVE-2021-41165

lowpriority · track · 23EPSS 0.016 · 75 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.57% (75th) EPSS

CVSS 3.5 · low

Is it mine?

61 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

CKEditor4 is an open source WYSIWYG HTML editor. In affected version a vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4. The vulnerability allowed to inject malformed comments HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. The problem has been recognized and patched. The fix will be available in version 4.17.0.

cvss

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

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.5–8.2

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.18.2highAV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:Lsecondary · FSTEC (BDU) RU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:Lsecondary · ENISA EU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:Lsecondary · security-advisories@github.comexploitability 2.3 · impact 5.3

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:Lsecondary · OSV

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79USCWE-79US

affected products (61)

Products and version ranges known to be affected.

Oracle Fusion Middleware 1.4.10all versionscert_bundDEcpe:/a:oracle:fusion_middleware:1.4.10
Oracle Fusion Middleware 1.4.7all versionscert_bundDEcpe:/a:oracle:fusion_middleware:1.4.7
Oracle Fusion Middleware 11.1.1.5.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:11.1.1.5.0
Oracle Fusion Middleware 12.2.1.3.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:12.2.1.3.0
Oracle Fusion Middleware 12.2.1.4.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:12.2.1.4.0
Oracle Fusion Middleware 12.2.2.0.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:12.2.2.0.0
Oracle Fusion Middleware 14.1.1.0.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:14.1.1.0.0
Oracle Fusion Middleware 2.2.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:2.2.0
Oracle Fusion Middleware 2.4.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:2.4.0
Oracle Fusion Middleware 5.5.0.0.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:5.5.0.0.0
Oracle Fusion Middleware 5.9.0.0.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:5.9.0.0.0
Oracle Fusion Middleware 8.5.5all versionscert_bundDEcpe:/a:oracle:fusion_middleware:8.5.5
Oracle Fusion Middleware 9.1.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:9.1.0
Oracle Fusion Middleware <=RC1all versionscert_bundDE
Oracle Fusion Middleware≤ RC1cert_bundDE
ckeditor ckeditor4≤ < 4.17.0enisa_euvdEU
Oracle Corp. Oracle Banking APIs≤ 20.1fstec_bduRU
Oracle Corp. Oracle Banking APIs≤ 19.1fstec_bduRU
Oracle Corp. Oracle Banking APIs≤ 19.2fstec_bduRU
Oracle Corp. Oracle Banking APIs≤ 21.1fstec_bduRU

showing 20 of 61

advisories (4)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2675Oracle Financial Services Applications: Mehrere SchwachstellenDeutsch2023-10-17csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Financial Services Applications ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
WID-SEC-W-2024-2180Oracle Fusion Middleware: Mehrere SchwachstellenDeutsch2022-04-19csaf · cert_bundDE
Ein entfernter, anonymer oder lokaler Angreifer kann mehrere Schwachstellen in Oracle Fusion Middleware ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
GHSA-7h26-63m7-qhf2HTML comments vulnerability allowing to execute JavaScript code2021-11-17ghsa · osvUS
### Affected packages The vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4. ### Impact A potential vulnerability has been discovered in CKEditor 4 HTML processing core module. The vulnerability allowed to inject malformed comments HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. ### Patches The problem has been recognized and patched. The fix will be available in version 4.17.0. ### For more information Email us at security@cksource.com if you have any questions or comments about this advisory. ### Acknowledgements The CKEditor 4 team would like to thank William Bowling ([wbowling](https://github.com/wbowling)) for recognizing and reporting this vulnerability.
BIT-drupal-2021-41165HTML comments vulnerability allowing to execute JavaScript code2024-03-06vendor · osvUS
CKEditor4 is an open source WYSIWYG HTML editor. In affected version a vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4. The vulnerability allowed to inject malformed comments HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. The problem has been recognized and patched. The fix will be available in version 4.17.0.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund NVD CVE.org MITRE

published 2021-11-17modified 2026-06-17

related (53,008)

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…

+53003 more

references (22)

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