CVE-2021-23838
Quick assessment
Affected
n/a n/a
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.
flatCore是一套基于PHP和SQLite的轻量级内容管理系统（CMS）。 flatCore CMS 2.0.0 build 139版本之前存在跨站脚本漏洞，该漏洞源于程序接受了恶意的客户端脚本，而没有进行适当的检测，攻击者可利用该漏洞获取敏感信息。
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I. Basic Information for CVE-2021-23838
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in flatCore before 2.0.0 build 139. A reflected XSS vulnerability was identified in the media_filter HTTP request body parameter for the acp interface. The affected parameter accepts malicious client-side script without proper input sanitization. For example, a malicious user can leverage this vulnerability to steal cookies from a victim user and perform a session-hijacking attack, which may then lead to unauthorized access to the site.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
flatCore 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
flatCore是一套基于PHP和SQLite的轻量级内容管理系统（CMS）。 flatCore CMS 2.0.0 build 139版本之前存在跨站脚本漏洞，该漏洞源于程序接受了恶意的客户端脚本，而没有进行适当的检测，攻击者可利用该漏洞获取敏感信息。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-23838
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Exploits & Public PoCs for CVE-2021-23838 (1)
Other References for CVE-2021-23838 (2)
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https://sec-consult.com/vulnerability-lab/ x_refsource_MISC
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https://github.com/flatCore/flatCore-CMS x_refsource_MISC
Same Patch Batch · n/a · 2021-01-15 · 17 CVEs total
| CVE-2020-35581 | Envira Gallery Lite 跨站脚本漏洞 | |
| CVE-2020-35582 | Envira Gallery Lite 跨站脚本漏洞 | |
| CVE-2021-23835 | flatCore 输入验证错误漏洞 | |
| CVE-2021-23836 | flatCore CMS 跨站脚本漏洞 | |
| CVE-2021-23837 | flatCore SQL注入漏洞 | |
| CVE-2019-16961 | Solarwinds Web Help Desk 跨站脚本漏洞 | |
| CVE-2020-35733 | Ericsson Erlang 信任管理问题漏洞 | |
| CVE-2020-35748 | WordPress FV Flowplayer Video Player 跨站脚本漏洞 | |
| CVE-2020-35749 | Wordpress Simple Board Job Plugin 路径遍历漏洞 | |
| CVE-2020-16255 | Owncloud 跨站脚本漏洞 | |
| CVE-2020-24641 | HPE Aruba Airwave Glass 代码问题漏洞 | |
| CVE-2020-24638 | HPE Aruba Airwave Glass 安全漏洞 | |
| CVE-2020-24639 | HPE Aruba Airwave Glass 代码问题漏洞 | |
| CVE-2020-24640 | HPE Aruba Airwave Glass 输入验证错误漏洞 | |
| CVE-2021-3162 | Docker Desktop 信任管理问题漏洞 | |
| CVE-2020-25533 | Malwarebytes 竞争条件问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-23838
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