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CVE-2021-27778— HCL Traveler is susceptible to a cross-site scripting vulnerability which could allow an attacker to execute a malicious script to access sensitive information.

Quick assessment

Affected
HCL Software HCL Traveler
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.

HCL Technologies Traveler Companion是印度HCL Technologies公司的一款 ios Iphone 和 Ipad 应用程序。用于在 Apple 设备上阅读加密的 Hcl Notes 邮件。 HCL Technologies Traveler Companion 存在跨站脚本漏洞，该漏洞源于Traveler 管理网页中已批准应用程序的名称参数验证不当。攻击者可以利用此漏洞执行恶意脚本来访问浏览器保留并与该站点一起使用的任何 cookie、会话令牌或其他敏感信息。

CVSS 4.9 · Medium EPSS 0.38% · P30
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I. Basic Information for CVE-2021-27778

Vulnerability Information
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Vulnerability Title
HCL Traveler is susceptible to a cross-site scripting vulnerability which could allow an attacker to execute a malicious script to access sensitive information.
Source: CVE Program / CVE List V5
Vulnerability Description
HCL Traveler is vulnerable to a cross-site scripting (XSS) caused by improper validation of the Name parameter for Approved Applications in the Traveler administration web pages. An attacker could exploit this vulnerability to execute a malicious script to access any cookies, session tokens, or other sensitive information retained by the browser and used with that site.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L
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
HCL Technologies Traveler Companion 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL Technologies Traveler Companion是印度HCL Technologies公司的一款 ios Iphone 和 Ipad 应用程序。用于在 Apple 设备上阅读加密的 Hcl Notes 邮件。 HCL Technologies Traveler Companion 存在跨站脚本漏洞，该漏洞源于Traveler 管理网页中已批准应用程序的名称参数验证不当。攻击者可以利用此漏洞执行恶意脚本来访问浏览器保留并与该站点一起使用的任何 cookie、会话令牌或其他敏感信息。
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
HCL Software HCL Traveler 12.0.1.0 and earlier -

II. Public POCs for CVE-2021-27778

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III. Intelligence Information for CVE-2021-27778

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Other References for CVE-2021-27778 (1)

IV. Related Vulnerabilities

Same product: HCL Traveler
Same vendor: HCL Software
Same weakness: CWE-79

V. Comments for CVE-2021-27778

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