Description
Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (RCE).This issue affects Experience Manager (XM): from 9.0 through 9.3, from 10.0 through 10.4; Experience Platform (XP): from 9.0 through 9.3, from 10.0 through 10.4.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Sitecore | Experience Manager (XM) | 9.0 – ≤ 9.3, 10.0 – ≤ 10.4 | — |
| Sitecore | Experience Platform (XP) | 9.0 – ≤ 9.3, 10.0 – ≤ 10.4 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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blueisbeautiful/CVE-2025-53691 ★ 0 · Sep 1, 2025
Remote code execution (RCE) through insecure deserialization
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- WID-SEC-2025-1542 Sitecore Experience Manager: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 21, 2025