CVE-2023-40000

HIGH 8.3

WordPress LiteSpeed Cache plugin <= 5.7 - Unauthenticated Site Wide Stored XSS vulnerability

CVSS Score

8.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	litespeed technologies
Product	litespeed cache
Published	Apr 16, 2024
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

LiteSpeed Technologies / LiteSpeed Cache

n/a ≤ 5.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/vulnerability/litespeed-cache/wordpress-litespeed-cache-plugin-5-7-unauthenticated-site-wide-stored-xss-vulnerability?_s_id=cve github.com: https://github.com/rxerium/CVE-2023-40000

Credits

Rafie Muhammad (Patchstack)