CVE-2025-34510

HIGH 8.8

Sitecore XM, XC, and XP Post-Auth RCE via Zip Slip

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

Sitecore Experience Manager (XM), Experience Platform (XP), and Experience Commerce (XC) versions 9.0 through 9.3 and 10.0 through 10.4 are affected by a Zip Slip vulnerability. A remote, authenticated attacker can exploit this issue by sending a crafted HTTP request to upload a ZIP archive containing path traversal sequences, allowing arbitrary file writes and leading to code execution.

CWE	CWE-23
Vendor	sitecore
Product	experience manager
Published	Jun 17, 2025
Last Updated	Feb 26, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Sitecore / Experience Manager

9.0 ≤ 9.3 10.0 ≤ 10.4

Sitecore / Experience Platform

9.0 ≤ 9.3 10.0 ≤ 10.4

Sitecore / Experience Commerce

9.0 ≤ 9.3 10.0 ≤ 10.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

labs.watchtowr.com: https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/ support.sitecore.com: https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667

Credits

Piotr Bazydlo of watchTowr