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CVE-2022-39295— Improper Neutralization of Alternate XSS Syntax in Knowage-Server

Quick assessment

Affected
KnowageLabs Knowage-Server
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.

Knowage是意大利Knowage公司的一套用于在传统资源和大数据系统上进行现代业务分析的开源套件。 Knowage 6.xx系列版本、 7.4.22之前版本、8.0.9之前版本、8.1.0之前版本存在安全漏洞，攻击者利用该漏洞可以使用有效负载绕过此过滤器。

CVSS 6.1 · Medium EPSS 0.57% · P44
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I. Basic Information for CVE-2022-39295

Vulnerability Information
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Vulnerability Title
Improper Neutralization of Alternate XSS Syntax in Knowage-Server
Source: CVE Program / CVE List V5
Vulnerability Description
Knowage is an open source suite for modern business analytics alternative over big data systems. KnowageLabs / Knowage-Server starting with the 6.x branch and prior to versions 7.4.22, 8.0.9, and 8.1.0 is vulnerable to cross-site scripting because the `XSSRequestWrapper::stripXSS` method can be bypassed. Versions 7.4.22, 8.0.9, and 8.1.0 contain patches for this issue. There are no known workarounds.
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
替代XSS语法转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Knowage 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Knowage是意大利Knowage公司的一套用于在传统资源和大数据系统上进行现代业务分析的开源套件。 Knowage 6.xx系列版本、 7.4.22之前版本、8.0.9之前版本、8.1.0之前版本存在安全漏洞，攻击者利用该漏洞可以使用有效负载绕过此过滤器。
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
KnowageLabs Knowage-Server >= 6.0, < 7.4.22 -

II. Public POCs for CVE-2022-39295

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III. Intelligence Information for CVE-2022-39295

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Vendor Advisories for CVE-2022-39295 (1)

Other References for CVE-2022-39295 (1)

IV. Related Vulnerabilities

Same product: Knowage-Server
Same vendor: KnowageLabs
Same weakness: CWE-87

V. Comments for CVE-2022-39295

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