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CVE-2023-40000— WordPress LiteSpeed Cache plugin <= 5.7 - Unauthenticated Site Wide Stored XSS vulnerability

Quick assessment

Affected
LiteSpeed Technologies LiteSpeed Cache
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress Plugin LiteSpeed Cache 5.7 版本及之前版本存在跨站脚本漏洞，该漏洞源于存在跨站脚本漏洞。

CVSS 8.3 · High EPSS 54.87% · P99

Public Exploits 1

Nuclei · 1 CVE-2023-40000.yaml [template]

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2023-40000

Vulnerability Information
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Vulnerability Title
WordPress LiteSpeed Cache plugin <= 5.7 - Unauthenticated Site Wide Stored XSS vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through 5.7.
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:L
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
WordPress Plugin LiteSpeed Cache 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress Plugin LiteSpeed Cache 5.7 版本及之前版本存在跨站脚本漏洞，该漏洞源于存在跨站脚本漏洞。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
LiteSpeed Technologies LiteSpeed Cache n/a ~ 5.7 -

II. Public POCs for CVE-2023-40000

# POC Description Source Link Shenlong Link
1 LiteSpeed Cache plugin for WordPress that could enable unauthenticated users to escalate their privileges https://github.com/rxerium/CVE-2023-40000 POC Details
2 PoC for XSS vulnerability in the LiteSpeed Cache WordPress plugin (CVE-2023-40000) allowing elevated privileges. Includes code, explanations, and mitigations. https://github.com/quantiom/litespeed-cache-xss-poc POC Details
3 That's a PoC of cve-2023-40000. Wordpress LiteSpeed Cache exploit. https://github.com/iveresk/cve-2023-40000 POC Details
4 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects LiteSpeed Cache- from n/a through 5.7. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-40000.yaml POC Details
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III. Intelligence Information for CVE-2023-40000

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Vendor Advisories for CVE-2023-40000 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2023-40000

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