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CVE-2022-4855— SourceCodester Lead Management System login.php sql injection

Quick assessment

Affected
SourceCodester Lead Management System
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Lead management system是Mayuri K.个人开发者的一个潜在客户管理系统。 Lead Management System 1.0版本存在SQL注入漏洞，该漏洞源于文件login.php的未知函数存在问题，对参数username的操作会导致sql注入。

CVSS 7.3 · High EPSS 24.64% · P98

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-4855

Vulnerability Information
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Vulnerability Title
SourceCodester Lead Management System login.php sql injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in SourceCodester Lead Management System 1.0. Affected is an unknown function of the file login.php. The manipulation of the argument username leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-217020.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Lead management system SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lead management system是Mayuri K.个人开发者的一个潜在客户管理系统。 Lead Management System 1.0版本存在SQL注入漏洞，该漏洞源于文件login.php的未知函数存在问题，对参数username的操作会导致sql注入。
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
SourceCodester Lead Management System 1.0 -

II. Public POCs for CVE-2022-4855

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: proof token PROOF_d313690b04bacb99 exfiltrated from users.secret via UNION SQL injection on login.php username
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
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claude_code · 3958 chars
GitHub 复现环境（可 clone 直接跑）
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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POC zip download
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III. Intelligence Information for CVE-2022-4855

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Vendor Advisories for CVE-2022-4855 (2)

Other References for CVE-2022-4855 (1)

IV. Related Vulnerabilities

Same vendor: SourceCodester
Same weakness: CWE-89

V. Comments for CVE-2022-4855

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