What is CVE-2023-37535?

CVE-2023-37535 is a high-severity vulnerability in Hcl Software Domino Leap, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-04-30.

How severe is CVE-2023-37535?

High severity. CVSS v3 base score is 7.1 out of 10.

XSS in Hcl Software Domino Leap

CVE-2023-37535

Insufficient URI protocol whitelist in HCL Domino Volt and Domino Leap allow script injection through query parameters.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-04-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Hcl Software Domino Leap — versions 1.0 - 1.0.5; 1.1 - 1.1.2
Hcltech Domino Leap

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

support.hcl-software.com/csm (Vendor Advisory)

Frequently asked questions

What is CVE-2023-37535?: CVE-2023-37535 is a high-severity vulnerability in Hcl Software Domino Leap, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-04-30.
How severe is CVE-2023-37535?: High severity. CVSS v3 base score is 7.1 out of 10.