CVE-2025-27218 Deserialization in n/a
Remote attackers can execute arbitrary code via insecure deserialization in Sitecore Experience Manager and Platform.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-27218?
CVE-2025-27218 is a medium-severity unsafe deserialization vulnerability in n/a, published on 20 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Sitecore Experience Manager (XM) and Experience Platform (XP) 10.4 before KB1002844 allow remote code execution through insecure deserialization.
Weakness: CWE-94
Which versions are affected by CVE-2025-27218?
How do I fix CVE-2025-27218?
No fix has been published for CVE-2025-27218 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-27218 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-27218 exists.
Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 1 Nuclei template.
Sources
Also known as GHSA-jx5r-cxfc-c638.