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. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 9% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-18568
- Weakness: CWE-434
- Affected product: Sitecore Experience Commerce
- Published:
- Last modified:
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 9% (95th 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
- 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
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:-:*:*:*:*:*:*:*
More vulnerabilities in Sitecore Experience Commerce
- CVE-2025-53693 — Critical (CVSS 9.8): Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Sitecore Sitecore…
- CVE-2023-35813 — Critical (CVSS 9.8): Multiple Sitecore products allow remote code execution. This affects Experience Manager, Experience Platform, and…
- CVE-2025-53690 — Critical (CVSS 9.0): Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP)…
- CVE-2025-53691 — High (CVSS 8.8): Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP)…
- CVE-2025-34510 — High (CVSS 8.8): Sitecore Experience Manager (XM), Experience Platform (XP), and Experience Commerce (XC) versions 9.0 through 9.3 and…
- CVE-2025-53694 — High (CVSS 7.5): Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Sitecore Sitecore Experience Manager (XM),…
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