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    CVE-2023-40000

    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.

    Published:Apr 16, 2024
    Last Modified:Apr 28, 2026
    EPS:Apr 16, 2024
    EPSS Score:0.82031
    CVSS Score:8.3

    Affected Products

    Vendor
    Litespeedtech
    Product
    Litespeed Cache

    Exploits

    https://github.com/rxerium/CVE-2023-40000https://github.com/iveresk/cve-2023-40000https://github.com/quantiom/litespeed-cache-xss-pochttps://github.com/rxerium/CVE-2023-40000

    Related CVEs

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    CVE-2025-12450 (CVSS 6.1) — The LiteSpeed Cache plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URLs in all versi…
    CVE-2024-50550 (CVSS 8.1) — Incorrect Privilege Assignment vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows …
    CVE-2024-44000 (CVSS 9.8) — Insufficiently Protected Credentials vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache a…
    CVE-2024-47637 (CVSS 8.8) — Relative Path Traversal vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Path Tr…
    CVE-2024-47373 (CVSS 6.5) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpee…
    CVE-2024-47374 (CVSS 7.1) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpee…
    CVE-2024-9169 (CVSS 5.5) — The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via plugin debug setting…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High