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CVE-2026-21730— Stored XSS in Verba

AI Predicted 6.1 Difficulty: Easy EPSS 0.17% · P38

Affected Version Matrix 1

VendorProductVersion RangeStatus
VerintVerba< 10.0.6affected
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I. Basic Information for CVE-2026-21730

Vulnerability Information
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Vulnerability Title
Stored XSS in Verba
Source: NVD (National Vulnerability Database)
Vulnerability Description
Verba is affected by a Stored Cross-Site Scripting (XSS) vulnerability within its login logging mechanism. When an unauthenticated remote attacker attempts to log in using an incorrect username and password combination, the supplied username value is recorded in the application logs. Due to lack of input sanitization, an attacker can inject a malicious XSS payload into the username field. This payload will be executed in the context of the administrator’s browser when the admin accesses the web application's log viewer. The vendor was notified early about this vulnerability, but didn't respond to our messages. This issue was fixed in version 10.0.6
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
Verint Verba 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Verint Verba是美国Verint公司的一个企业级合规通信记录与交互归档平台。 Verint Verba存在跨站脚本漏洞，该漏洞源于登录日志记录机制中缺乏输入清理，可能导致未经身份验证的远程攻击者在尝试使用错误的用户名和密码组合登录时，在用户名字段中注入恶意XSS有效载荷，该有效载荷在管理员访问Web应用程序日志查看器时在管理员浏览器环境中执行。
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
VerintVerba 0 ~ 10.0.6 -

II. Public POCs for CVE-2026-21730

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III. Intelligence Information for CVE-2026-21730

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IV. Related Vulnerabilities

Same vendor: Verint
Same weakness: CWE-79

V. Comments for CVE-2026-21730

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