# CVE-2025-34510: Sitecore XM, XC, and XP Post-Auth RCE via Zip Slip - Exploited (CISA KEV): no - Published: 2025-06-17 - CVSS: 8.8 HIGH (v3.1) - EPSS: 24.8% (98th percentile) - CWE: CWE-23 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. ## Edge WAF coverage (claimed by vendors, not measured) | Vendor | Status | First rule | Days after publication | |---|---|---|---| | Cloudflare | Blocks by default | 2025-08-04 | 48 | | AWS | No public claim | — | — | | Microsoft Azure | No public claim | — | — | | Google Cloud | No public claim | — | — | | Fastly | Before feed history | — | — | | F5 | No public claim | — | — | | Akamai | No public source | — | — | | OWASP CRS | No public claim | — | — | ### Cloudflare - 2025-08-04 · new · rule b8ab4644f8044f3485441ee052f30a13 · default Block > Sitecore - Dangerous File Upload - CVE:CVE-2025-34510, CVE:CVE-2025-34511. Previous action: Log. New action: Block. This is a New Detection Source: https://developers.cloudflare.com/changelog/post/2025-08-04-waf-release/ "No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it. HTML: https://cve.vigilbase.com/cve/CVE-2025-34510 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-34510