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CVE-2026-4765— Stored Cross-Site Scripting (XSS) in Tallos Chat by RD Station Conversas

Quick assessment

Affected
RD Station Conversas Tallos Chat
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.

RD Station Conversas Tallos Chat是RD Station Conversas公司的一款客服系统软件。 RD Station Conversas Tallos Chat 存在跨站脚本漏洞，该漏洞源于初始化过程中‘name’参数因用户输入清理不当导致存储型跨站脚本，从而允许攻击者在应用环境中执行任意JavaScript代码。

AI Predicted 8.1 Difficulty: Easy EPSS 0.27% · P20

Affected Version Matrix 1

VendorProduct Version RangeStatus
RD Station Conversas Tallos Chat all versions affected
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I. Basic Information for CVE-2026-4765

Vulnerability Information
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Vulnerability Title
Stored Cross-Site Scripting (XSS) in Tallos Chat by RD Station Conversas
Source: CVE Program / CVE List V5
Vulnerability Description
Stored Cross-Site Scripting (XSS) vulnerability in the RD Station Conversas chat. The vulnerability resides in the ‘name’ parameter of the initialization process due to improper sanitization of user input. The vulnerability is not limited to self-exploitation: when a support agent joins the conversation, the malicious script also executes in their browser, increasing the impact. Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code within the context of the application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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
RD Station Conversas Tallos Chat 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RD Station Conversas Tallos Chat是RD Station Conversas公司的一款客服系统软件。 RD Station Conversas Tallos Chat 存在跨站脚本漏洞，该漏洞源于初始化过程中‘name’参数因用户输入清理不当导致存储型跨站脚本，从而允许攻击者在应用环境中执行任意JavaScript代码。
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
RD Station Conversas Tallos Chat all versions -

II. Public POCs for CVE-2026-4765

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III. Intelligence Information for CVE-2026-4765

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Vendor Advisories for CVE-2026-4765 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-4765

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