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CVE-2022-50943— Moodle LMS 4.0 Cross-Site Scripting via course search.php

Quick assessment

Affected
Moodle Moodle LMS
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.

Moodle是Moodle开源的一套免费的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle 4.0版本存在跨站脚本漏洞，该漏洞源于search参数存在跨站脚本，可能导致未经身份验证的攻击者通过提交有效载荷注入恶意脚本。

CVSS 6.1 · Medium EPSS 0.33% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
Moodle Moodle LMS 4.0 affected
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I. Basic Information for CVE-2022-50943

Vulnerability Information
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Vulnerability Title
Moodle LMS 4.0 Cross-Site Scripting via course search.php
Source: CVE Program / CVE List V5
Vulnerability Description
Moodle LMS 4.0 contains a cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting payloads through the search parameter. Attackers can inject JavaScript code via the search field in course/search.php to execute arbitrary scripts in users' browsers and steal session cookies.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Moodle 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moodle是Moodle开源的一套免费的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle 4.0版本存在跨站脚本漏洞，该漏洞源于search参数存在跨站脚本，可能导致未经身份验证的攻击者通过提交有效载荷注入恶意脚本。
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
Moodle Moodle LMS 4.0 -

II. Public POCs for CVE-2022-50943

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III. Intelligence Information for CVE-2022-50943

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Vendor Advisories for CVE-2022-50943 (1)

Exploits & Public PoCs for CVE-2022-50943 (1)

Vendor Pages for CVE-2022-50943 (1)

IV. Related Vulnerabilities

Same vendor: Moodle
Same weakness: CWE-79

V. Comments for CVE-2022-50943

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