What is CVE-2023-4372?

CVE-2023-4372 is a medium-severity vulnerability in Litespeedtech Litespeed Cache, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-01-11.

How severe is CVE-2023-4372?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2023-4372 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Litespeedtech Litespeed Cache

CVE-2023-4372

The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'esi' shortcode in versions up to, and including, 5.6 due to insufficient input sanitization and output escaping on user supplied attributes. Thi…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.015 (81.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Litespeedtech Litespeed Cache — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

Frequently asked questions

What is CVE-2023-4372?: CVE-2023-4372 is a medium-severity vulnerability in Litespeedtech Litespeed Cache, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-01-11.
How severe is CVE-2023-4372?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2023-4372 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.