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CVE-2026-16765— CodeAstro Online Classroom loginlinkadmin.php sql injection

Quick assessment

Affected
CodeAstro Online Classroom
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.

CodeAstro Online Classroom是CodeAstro公司的在线教学支持系统。 CodeAstro Online Classroom 1.0版本存在安全漏洞，该漏洞源于对文件/OnlineClassroom/loginlinkadmin.php中参数aid操作不当，可能导致SQL注入。

CVSS 7.3 · High EPSS 0.43% · P37

Affected Version Matrix 1

VendorProduct Version RangeStatus
CodeAstro Online Classroom 1.0 affected
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I. Basic Information for CVE-2026-16765

Vulnerability Information
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Vulnerability Title
CodeAstro Online Classroom loginlinkadmin.php sql injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in CodeAstro Online Classroom 1.0. Affected by this issue is some unknown functionality of the file /OnlineClassroom/loginlinkadmin.php. Executing a manipulation of the argument aid can lead to sql injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
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
CodeAstro Online Classroom 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CodeAstro Online Classroom是CodeAstro公司的在线教学支持系统。 CodeAstro Online Classroom 1.0版本存在安全漏洞，该漏洞源于对文件/OnlineClassroom/loginlinkadmin.php中参数aid操作不当，可能导致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
CodeAstro Online Classroom 1.0 cpe:2.3:a:codeastro:online_classroom:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16765

# 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.
Reproduction recording is a Pro+ exclusive
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claude_code · 6949 chars
GitHub 复现环境（可 clone 直接跑）
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-16765

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Proof of Concept for CVE-2026-16765 (1)

IV. Related Vulnerabilities

Same product: Online Classroom
Same vendor: CodeAstro
Same weakness: CWE-89

V. Comments for CVE-2026-16765

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