Sitecore known exploited vulnerabilities
Every Sitecore CVE on CISA's Known Exploited Vulnerabilities catalog, newest addition first: 4 in all, 0 added in the last 12 months.
- CVE-2025-53690Sitecore Products ViewState Deserialization VulnerabilitySitecore Experience Manager · Sitecore Experience Platform
- CVE-2019-9875Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9.1 allows an authenticated attacker to execute arbitrary code
- CVE-2019-9874Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to
- CVE-2021-42237Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achi
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Frequently asked questions
How many Sitecore vulnerabilities are in CISA KEV?
4 Sitecore vulnerabilities are on CISA's Known Exploited Vulnerabilities catalog, 0 of them added in the last 12 months. The newest is CVE-2025-53690 (Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability), added 2025-09-04.
Which Sitecore products are in CISA KEV?
3 products, including Multiple Products, CMS and Experience Platform (XP), XP. Attackers have exploited every one of these entries in the wild, and US federal agencies must patch each by its CISA due date.
Are Sitecore KEV vulnerabilities used by ransomware?
CISA knows ransomware campaigns exploit 1 of the 4 Sitecore entries.