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CVE-2021-47972— Sticky Notes & Color Widgets 1.4.2 Denial of Service

Quick assessment

Affected
sticky-notes-color-widgets Sticky Notes Color Widgets
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Sticky Notes Color Widgets 1.4.2版本存在安全漏洞，该漏洞源于允许攻击者通过创建包含超长字符串的笔记导致拒绝服务，攻击者可粘贴大量重复字符的有效载荷到笔记字段中触发应用崩溃并停止响应。

CVSS 7.5 · High EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
sticky-notes-color-widgets Sticky Notes Color Widgets 1.4.2 affected
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I. Basic Information for CVE-2021-47972

Vulnerability Information
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Vulnerability Title
Sticky Notes & Color Widgets 1.4.2 Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
Sticky Notes & Color Widgets 1.4.2 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can paste large payloads of repeated characters into note fields to trigger application crashes and make the application stop responding.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的内存分配
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Sticky Notes Color Widgets 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Sticky Notes Color Widgets 1.4.2版本存在安全漏洞，该漏洞源于允许攻击者通过创建包含超长字符串的笔记导致拒绝服务，攻击者可粘贴大量重复字符的有效载荷到笔记字段中触发应用崩溃并停止响应。
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

Vendor Product Affected Versions CPE Subscribe
sticky-notes-color-widgets Sticky Notes Color Widgets 1.4.2 -

II. Public POCs for CVE-2021-47972

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III. Intelligence Information for CVE-2021-47972

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Vendor Advisories for CVE-2021-47972 (1)

Exploits & Public PoCs for CVE-2021-47972 (1)

IV. Related Vulnerabilities

Same weakness: CWE-789

V. Comments for CVE-2021-47972

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