XSS in Litespeedtech Litespeed_cache

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.807 (99.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-40000?
CVE-2023-40000 is a high-severity vulnerability in Litespeedtech Litespeed_cache, classified under Cross-site Scripting. CVSS score: 8.3/10. Published 2024-04-16.
How severe is CVE-2023-40000?
High severity. CVSS v3 base score is 8.3 out of 10.
Is CVE-2023-40000 known to be exploited?
9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.