by Kastro
Paper/Archive/CVE-2025-53690

CVE-2025-53690

Sitecore Experience Manager (XM) — Sitecore Products ViewState Deserialization Vulnerability

KEV · due 25 SepEPSS 61%public exploitSSVC actCVSS 9.0
critical.is priorityof 100
97
CVSS 9.0 (CNA)9.0 / 10 × 3027.0In CISA KEV+3030.0EPSS percentile 99.1.991 × 2019.8Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Experience Manager (XM)≤ 9.0–CNA
Experience Platform (XP)≤ 9.0–CNA

Scores by source

Wiz (CNA)9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: no · Technical impact: total

References

refcloud.google.com/blog/topics/threat-intelligence/viewstate-deserialization-zero-day-vulnerabilityrefsupport.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865refcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53690kevcisa.gov/known-exploited-vulnerabilities-catalog