What is CVE-2023-37538?

CVE-2023-37538 is a critical-severity vulnerability in Hcl Software Digital Experience, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2023-10-11.

How severe is CVE-2023-37538?

Critical severity. CVSS v3 base score is 9.3 out of 10.

XSS in Hcl Software Digital Experience

CVE-2023-37538

HCL Digital Experience is susceptible to cross site scripting (XSS). One subcomponent is vulnerable to reflected XSS. In reflected XSS, an attacker must induce a victim to click on a crafted URL from some delivery mechanism (email, other web site).

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-10-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Hcl Software Digital Experience — versions 8.5, 9.0, 9.5
Hcltech Digital Experience — versions 8.5, 9.0, 9.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

support.hcltechsw.com/csm (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-37538?: CVE-2023-37538 is a critical-severity vulnerability in Hcl Software Digital Experience, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2023-10-11.
How severe is CVE-2023-37538?: Critical severity. CVSS v3 base score is 9.3 out of 10.