CVE-2025-34511

high · 8.8

Sitecore PowerShell Extensions, an add-on to Sitecore Experience Manager (XM) and Experience Platform (XP), through version 7.0 is vulnerable to an unrestricted file upload issue. A remote, authenticated attacker can upload arbitrary files to the server using crafted HTTP requests, resulting in remote code execution.

8.8

CVSS

29.8%

EPSS (exploit prob.)

98th

EPSS percentile

2025-06-17

Published

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

Weaknesses

CWE-434

Affected products

Vendor	Product	Affected versions
sitecore	experience_commerce	>= 9.0, <= 10.4
sitecore	experience_manager	>= 9.0, <= 10.4
sitecore	experience_platform	>= 9.0, < 10.4
sitecore	experience_platform	10.4
sitecore	managed_cloud	all versions

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-34511