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CVE-2021-47855— Openlitespeed 1.7.9 - 'Notes' Stored Cross-Site Scripting

Quick assessment

Affected
LiteSpeed Technologies OpenLiteSpeed
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.

Litespeed Technologie OpenLiteSpeed是Litespeed Technologie公司的一款开源的Web服务器。 Litespeed Technologie OpenLiteSpeed 1.7.9版本存在跨站脚本漏洞，该漏洞源于仪表板的Notes参数存在存储型跨站脚本，可能导致执行恶意脚本。

CVSS 7.2 · High EPSS 0.28% · P18
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I. Basic Information for CVE-2021-47855

Vulnerability Information
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Vulnerability Title
Openlitespeed 1.7.9 - 'Notes' Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
Openlitespeed 1.7.9 contains a stored cross-site scripting vulnerability in the dashboard's Notes parameter that allows administrators to inject malicious scripts. Attackers can craft a payload in the Notes field during listener configuration that will execute when an administrator clicks on the Default Icon.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/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
Litespeed Technologie OpenLiteSpeed 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Litespeed Technologie OpenLiteSpeed是Litespeed Technologie公司的一款开源的Web服务器。 Litespeed Technologie OpenLiteSpeed 1.7.9版本存在跨站脚本漏洞，该漏洞源于仪表板的Notes参数存在存储型跨站脚本，可能导致执行恶意脚本。
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
LiteSpeed Technologies OpenLiteSpeed 1.7.9 -

II. Public POCs for CVE-2021-47855

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III. Intelligence Information for CVE-2021-47855

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Exploits & Public PoCs for CVE-2021-47855 (1)

IV. Related Vulnerabilities

Same product: OpenLiteSpeed
Same vendor: LiteSpeed Technologies
Same weakness: CWE-79

V. Comments for CVE-2021-47855

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