Directory Traversal vulnerability in Site Core Experience Platform 10.2 and earlier allows authenticated remote attackers to download arbit…

published 2023-05-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-30855

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits: 0; none known

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

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-21)

Exploit prediction

1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

blogs.night-wolf.io https://blogs.night-wolf.io/0-day-vulnerabilities-at-sitecore-pagedesigner referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

blogs.night-wolf.io /0-day-vulnerabilities-at-sitecore-pagedesigner
exploit, vendor-advisory
dev.sitecore.net /Downloads/Sitecore%20Experience%20Platform/103/Sitecore%20Experience%20Platform%20103/Release%20Notes
release-notes

Sources

CVE List CVE-2023-27066
NVD CVE-2023-27066

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary