Unrated severityCISA KEVNVD Advisory· Published Sep 3, 2025· Updated Feb 26, 2026

Sitecore Products ViewState Deserialization Vulnerability

CVE-2025-53690

Description

Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Code Injection.This issue affects Experience Manager (XM): through 9.0; Experience Platform (XP): through 9.0.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Adobe Inc./Experience Managerllm-fuzzy
Range: <=9.0
Sitecore/Experience Platform (XP)llm-fuzzy2 versions
<=9.0+ 1 more
- (no CPE)range: <=9.0
- (no CPE)range: 0
Sitecore/Sitecore Experience Manager (XM)cpe-rescue
Range: 0

Patches

Vulnerability mechanics

References

cloud.google.com/blog/topics/threat-intelligence/viewstate-deserialization-zero-day-vulnerabilitymitre
support.sitecore.com/kbmitre

News mentions

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