CVE-2025-53691— Sitecore Experience Remote Code Execution through Insecure Deserialization
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I. Basic Information for CVE-2025-53691
Vulnerability Information
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Vulnerability Title
Sitecore Experience Remote Code Execution through Insecure Deserialization
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
Sitecore Experience Manager 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sitecore Experience Manager（XM）是丹麦Sitecore公司的一个管理软件。 Sitecore Experience Manager 9.0至9.3版本和10.0至10.4版本和Sitecore Experience Platform 9.0至9.3版本和10.0至10.4版本存在安全漏洞，该漏洞源于反序列化不受信任数据，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Sitecore | Experience Manager (XM) | 9.0 ~ 9.3 | - | |
| Sitecore | Experience Platform (XP) | 9.0 ~ 9.3 | - |
II. Public POCs for CVE-2025-53691
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Remote code execution (RCE) through insecure deserialization | https://github.com/blueisbeautiful/CVE-2025-53691 | POC Details |
| 2 | Remote code execution (RCE) through insecure deserialization | https://github.com/brokendreamsclub/CVE-2025-53691 | POC Details |
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Same Patch Batch · Sitecore · 2025-09-03 · 4 CVEs total
| CVE-2025-53693 | 9.8 CRITICAL | HTML Cache Poisoning through Unsafe Reflections |
| CVE-2025-53690 | 9.0 CRITICAL | Sitecore Products ViewState Deserialization Vulnerability |
| CVE-2025-53694 | 7.5 HIGH | Information Disclosure in ItemServices API |
IV. Related Vulnerabilities
Same vendor: Sitecore
- CVE-2025-53692
Sitecore Experience Platform Cross-Site Scripting Vulnerabil - CVE-2025-53690
Sitecore Products ViewState Deserialization Vulnerability - CVE-2025-53693
HTML Cache Poisoning through Unsafe Reflections - CVE-2025-53694
Information Disclosure in ItemServices API - CVE-2022-4979
Sitecore XP 7.5 - 10.2, CMS 7.2, and Managed Cloud XSS
Same weakness: CWE-502
- CVE-2026-44126
Insecure deserialization - CVE-2026-5127
User Frontend: AI Powered Frontend Posting, User Directory, - CVE-2026-41586
ObjectInputStream.readObject() without ObjectInputFilter in - CVE-2026-34084
PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFac - CVE-2026-7712
MindsDB Pickle pickle.loads deserialization
V. Comments for CVE-2025-53691
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