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CVE-2021-32542— SysJust CTS Web - Reflected XSS

Quick assessment

Affected
SysJust CTS Web
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.

嘉实资讯 CTS Web transaction system是台湾嘉实资讯公司的一款CTS Web 交易系統。 CTS Web transaction system 中存在跨站脚本漏洞，该漏洞源于该交易系统的具体功能参数不过滤特殊字符。攻击者在不经过身份认证的前提下可利用该漏洞可以远程执行反射跨站，获取触发攻击的用户连接令牌。

CVSS 4.7 · Medium EPSS 0.68% · P49
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I. Basic Information for CVE-2021-32542

Vulnerability Information
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Vulnerability Title
SysJust CTS Web - Reflected XSS
Source: CVE Program / CVE List V5
Vulnerability Description
The parameters of the specific functions in the CTS Web trading system do not filter special characters, which allows unauthenticated attackers can remotely perform reflected XSS and obtain the users’ connection token that triggered the attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/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
CTS Web transaction system 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
嘉实资讯 CTS Web transaction system是台湾嘉实资讯公司的一款CTS Web 交易系統。 CTS Web transaction system 中存在跨站脚本漏洞，该漏洞源于该交易系统的具体功能参数不过滤特殊字符。攻击者在不经过身份认证的前提下可利用该漏洞可以远程执行反射跨站，获取触发攻击的用户连接令牌。
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
SysJust CTS Web unspecified ~ released 2021.3.25 -

II. Public POCs for CVE-2021-32542

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III. Intelligence Information for CVE-2021-32542

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Other References for CVE-2021-32542 (1)

Same Patch Batch · SysJust · 2021-05-28 · 3 CVEs total

CVE-2021-32543 6.5 MEDIUM SysJust CTS Web - Broken Authentication
CVE-2021-32541 5.3 MEDIUM SysJust CTS Web - Broken Access Control

IV. Related Vulnerabilities

Same product: CTS Web
Same vendor: SysJust
Same weakness: CWE-79

V. Comments for CVE-2021-32542

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