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CVE-2021-42838— Grand Vice info Co. webopac7 - Reflected XSS

Quick assessment

Affected
Grand Vice info Co. webopac7
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.

欣学英资讯 Webopac7是中国欣学英资讯公司的一种在线公共访问目录。用于用户通过 Internet 使用图书馆的服务。 欣学英资讯 webopac7 存在跨站脚本漏洞，该漏洞源于 book search 字段参数没有适当限制特殊字符的输入，因此未经身份验证的攻击者可以远程注入 JavaScript 语法，进一步进行反射型 XSS 攻击。

CVSS 6.1 · Medium EPSS 0.61% · P46
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I. Basic Information for CVE-2021-42838

Vulnerability Information
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Vulnerability Title
Grand Vice info Co. webopac7 - Reflected XSS
Source: CVE Program / CVE List V5
Vulnerability Description
Grand Vice info Co. webopac7 book search field parameter does not properly restrict the input of special characters, thus unauthenticated attackers can inject JavaScript syntax remotely, and further perform reflective XSS attacks.
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
欣学英资讯 webopac7 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
欣学英资讯 Webopac7是中国欣学英资讯公司的一种在线公共访问目录。用于用户通过 Internet 使用图书馆的服务。 欣学英资讯 webopac7 存在跨站脚本漏洞，该漏洞源于 book search 字段参数没有适当限制特殊字符的输入，因此未经身份验证的攻击者可以远程注入 JavaScript 语法，进一步进行反射型 XSS 攻击。
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
Grand Vice info Co. webopac7 7.1.20160701 -

II. Public POCs for CVE-2021-42838

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III. Intelligence Information for CVE-2021-42838

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IV. Related Vulnerabilities

Same product: webopac7
Same vendor: Grand Vice info Co.
Same weakness: CWE-79

V. Comments for CVE-2021-42838

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