CVE-2023-40000

Name: CVE-2023-40000
Creator: NVD / NIST
Published: 2024-04-16T18:15:10.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 54.87%

Last modified Jun 17, 2026

CVE-2023-40000 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 54.87% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

54.87%

98.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Litespeedtech	Litespeed Cache	< 5.7.0.1

References

Timeline

Published: Apr 16, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-40000?

How severe is CVE-2023-40000?

CVE-2023-40000 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 54.87% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40000?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-40000?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST