What is CVE-2023-46213?

CVE-2023-46213 is a medium-severity vulnerability in Splunk Cloud, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-11-16.

How severe is CVE-2023-46213?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Splunk Cloud

CVE-2023-46213

In Splunk Enterprise versions below 9.0.7 and 9.1.2, ineffective escaping in the “Show syntax Highlighted” feature can result in the execution of unauthorized code in a user’s web browser.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-11-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.7th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

advisory.splunk.com/advisories/SVD-2023-1103 (Vendor Advisory)
research.splunk.com/application/1030bc63-0b37-4ac9-9ae0-9361c955a3cc/ (Vendor Advisory)

Frequently asked questions

What is CVE-2023-46213?: CVE-2023-46213 is a medium-severity vulnerability in Splunk Cloud, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-11-16.
How severe is CVE-2023-46213?: Medium severity. CVSS v3 base score is 4.8 out of 10.