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I. Basic Information for CVE-2021-32478
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier unsupported versions are affected.
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
Moodle 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moodle是一套免费、开源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 存在输入验证错误漏洞，该漏洞源于在LTI授权端点中对用户提供的数据的无害化处理不足。远程攻击者可利用该漏洞可以欺骗受害者，使其遵循一个专门制作的链接，并在脆弱网站的上下文中在用户的浏览器中执行任意HTML和脚本代码。以下产品及版本受到影响：Moodle: 3.8.0, 3.8.1, 3.8.2, 3.8.3, 3.8.4, 3.8.5, 3.8.6, 3.8.7, 3.8.8, 3.9.0, 3.
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
VendorProductAffected VersionsCPESubscribe
-moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 -
II. Public POCs for CVE-2021-32478
#POC DescriptionSource LinkShenlong Link
1Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, and earlier unsupported versions contain a cross-site scripting vulnerability via the redirect_uri parameter.https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/moodle/moodle-xss.yamlPOC Details
2Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 contain a reflected XSS and open redirect caused by insufficient sanitization of the redirect URI in the LTI authorization endpoint, letting attackers execute scripts or redirect users maliciously, exploit requires crafted URL with malicious redirect URI. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-32478.yamlPOC Details
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III. Intelligence Information for CVE-2021-32478
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IV. Related Vulnerabilities
Same product: moodle
Same vendor: n/a
Same weakness: CWE-79
V. Comments for CVE-2021-32478

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