How severe is CVE-2025-34511?

CVE-2025-34511 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-34511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-34511?

CVE-2025-34511 primarily affects Sitecore Experience Commerce. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-34511?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-34511 have an EU (EUVD) identifier?

Yes. CVE-2025-34511 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18568.

When was CVE-2025-34511 published?

CVE-2025-34511 was published on 2025-06-17 and last updated on 2026-06-17.

CVE-2025-34511

CVE-2025-34511 is a high-severity vulnerability in Sitecore Experience Commerce with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 30% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 30% (98th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18568
Weakness: CWE-434
Affected product: Sitecore Experience Commerce
Published: 2025-06-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-34511?: 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.
How severe is CVE-2025-34511?: CVE-2025-34511 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-34511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-34511?: CVE-2025-34511 primarily affects Sitecore Experience Commerce. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-34511?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-34511 have an EU (EUVD) identifier?: Yes. CVE-2025-34511 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18568.
When was CVE-2025-34511 published?: CVE-2025-34511 was published on 2025-06-17 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:sitecore:experience_commerce:*:*:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:10.4:-:*:*:*:*:*:*
cpe:2.3:a:sitecore:managed_cloud:-:*:*:*:*:*:*:*

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Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-39770 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in Doctreat <= 1.7.0 versions.
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CVE-2026-102427 — Critical (CVSS 10.0): Joomla Extension - ordasoft.com - Unauthenticated Remote Code Execution in OrdaSoft Joomla CCK < 8.3.16 -…
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CVE-2026-84147 — Critical (CVSS 10.0): This vulnerability exists in the ERP system due to improper authentication controls and inadequate file type validation…
CVE-2026-81780 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in Hash Form <= 1.4.2 versions.

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →