What is CVE-2023-27066?

CVE-2023-27066 is a medium-severity vulnerability in Sitecore Experience Platform, classified under Path Traversal. CVSS score: 6.5/10. Published 2023-05-22.

How severe is CVE-2023-27066?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Sitecore Experience Platform

CVE-2023-27066

Directory Traversal vulnerability in Site Core Experience Platform 10.2 and earlier allows authenticated remote attackers to download arbitrary files via Urlhandle.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-05-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.015 (73.4th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Sitecore Experience Platform

Weakness classification (CWE)

CWE-22 — Path Traversal

References

dev.sitecore.net/Downloads/Sitecore Experience Platform/103/Sitecore Experience… (Release Notes)
blogs.night-wolf.io/0-day-vulnerabilities-at-sitecore-pagedesigner (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2023-27066?: CVE-2023-27066 is a medium-severity vulnerability in Sitecore Experience Platform, classified under Path Traversal. CVSS score: 6.5/10. Published 2023-05-22.
How severe is CVE-2023-27066?: Medium severity. CVSS v3 base score is 6.5 out of 10.