CVE-2021-21087— ColdFusion Improper neutralization of web input during page generation could lead to arbitrary JavaScript execution in the browser
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I. Basic Information for CVE-2021-21087
Vulnerability Information
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Vulnerability Title
ColdFusion Improper neutralization of web input during page generation could lead to arbitrary JavaScript execution in the browser
Source: NVD (National Vulnerability Database)
Vulnerability Description
Adobe Coldfusion versions 2016 (update 16 and earlier), 2018 (update 10 and earlier) and 2021.0.0.323925 are affected by an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. An attacker could abuse this vulnerability to execute arbitrary JavaScript code in context of the current user. Exploitation of this issue requires user interaction.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
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
Adobe ColdFusion 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe ColdFusion是美国奥多比（Adobe）公司的一套快速应用程序开发平台。该平台包括集成开发环境和脚本语言。 ColdFusion 2018 存在跨站脚本漏洞，攻击者可利用该漏洞导致任意代码执行。
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)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Adobe | ColdFusion | unspecified ~ 2016.16 | - |
II. Public POCs for CVE-2021-21087
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Adobe Coldfusion versions 2016 (update 16 and earlier), 2018 (update 10 and earlier) and 2021.0.0.323925 are affected by an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. An attacker could abuse this vulnerability to execute arbitrary JavaScript code in context of the current user. Exploitation of this issue requires user interaction. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21087.yaml | POC Details |
| 2 | None | https://github.com/Threekiii/Awesome-POC/blob/master/Web%E5%BA%94%E7%94%A8%E6%BC%8F%E6%B4%9E/Adobe%20ColdFusion%20%E8%BF%9C%E7%A8%8B%E4%BB%A3%E7%A0%81%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E%20CVE-2021-21087.md | POC Details |
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · Adobe · 2021-04-15 · 10 CVEs total
| CVE-2021-21100 | 7.8 HIGH | Adobe Digital Editions Arbitrary file system write vulnerability |
| CVE-2021-21094 | Adobe Bridge PDF File Parsing Out-Of-Bounds Write vulnerability could lead to arbitrary co | |
| CVE-2021-21096 | Adobe Bridge Genuine Software Service Incorrect Permission Assignment could lead to Denial | |
| CVE-2021-21093 | Adobe Bridge SGI File Parsing Memory Corruption vulnerability could lead to arbitrary code | |
| CVE-2021-21095 | Adobe Bridge TTF Font Parsing Out-Of-Bounds Write vulnerability could lead to arbitrary co | |
| CVE-2021-28549 | Adobe Photoshop parsing JS buffer overflow vulnerability could lead to arbitrary code exec | |
| CVE-2021-21091 | Adobe Bridge HEIC File Parsing Out-Of-Bounds Read vulnerability could lead to information | |
| CVE-2021-21092 | Adobe Bridge DCM File Parsing Memory Corruption could lead to arbitrary code execution | |
| CVE-2021-28548 | Adobe Photoshop parsing JS buffer overflow vulnerability could lead to arbitrary code exec |
IV. Related Vulnerabilities
Same product: ColdFusion
- CVE-2026-34619
ColdFusion | Improper Limitation of a Pathname to a Restrict - CVE-2026-27308
ColdFusion | Uncontrolled Resource Consumption (CWE-400) - CVE-2026-27282
ColdFusion | Improper Input Validation (CWE-20) - CVE-2026-27305
ColdFusion | Improper Limitation of a Pathname to a Restrict - CVE-2026-27304
ColdFusion | Improper Input Validation (CWE-20)
Same vendor: Adobe
- CVE-2026-34632
Photoshop Installer | CWE-427: Uncontrolled Search Path Elem - CVE-2026-27297
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27300
Adobe Framemaker | Access of Uninitialized Pointer (CWE-824) - CVE-2026-27296
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27290
Adobe Framemaker | Untrusted Search Path (CWE-426)
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-2021-21087
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