CVE-2021-41165— HTML comments vulnerability allowing to execute JavaScript code
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-41165
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
HTML comments vulnerability allowing to execute JavaScript code
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
CKEditor 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CKEditor是一套开源的、基于网页的文字编辑器。 CKEditor 4 中存在跨站脚本漏洞，该漏洞源于产品未对输入数据的特殊字符做有效过滤。攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响： CKEditor4 4.17.0 之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-41165
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-41165
请登录查看更多情报信息。
- https://www.oracle.com/security-alerts/cpujan2022.htmlx_refsource_MISC
- https://www.drupal.org/sa-core-2021-011x_refsource_CONFIRM
- https://www.oracle.com/security-alerts/cpujul2022.htmlx_refsource_MISC
- https://www.oracle.com/security-alerts/cpuapr2022.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-41165
IV. Related Vulnerabilities
Same product: ckeditor4
- CVE-2024-43411
CKEditor4 has a low risk cross-site scripting (XSS) vulnerab - CVE-2024-43407
Code Snippet GeSHi plugin has reflected cross-site scripting - CVE-2024-24816
Cross-site scripting (XSS) vulnerability in samples with ena - CVE-2024-24815
CKEditor4 Cross-site scripting (XSS) vulnerability caused by - CVE-2023-28439
ckeditor4 plugins vulnerable to cross-site scripting caused
Same vendor: ckeditor
- CVE-2026-28343
CKEditor: Cross-site scripting (XSS) in the HTML Support pac - CVE-2025-58064
CKEditor is susceptible to Cross-Site Scripting (XSS) throug - CVE-2025-25299
Cross-site scripting (XSS) in the real-time collaboration pa - CVE-2024-45613
CKEditor 5 has Cross-site Scripting vulnerability in the cli - CVE-2024-43411
CKEditor4 has a low risk cross-site scripting (XSS) vulnerab
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2021-41165
No comments yet