# CVE-2019-9875: A Sitecore CMS and Experience Platform (XP) bug is being used in attacks

Status: Being used now (CISA KEV, added 2025-03-26)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Sitecore CMS and Experience Platform (XP) (CVE-2019-9875) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2019-9875. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
Sitecore CMS and Experience Platform (XP) contain a deserialization vulnerability in the Sitecore.Security.AntiCSRF module that allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.

## Sources
- https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB0038556
- https://nvd.nist.gov/vuln/detail/CVE-2019-9875
- https://nvd.nist.gov/vuln/detail/CVE-2019-9875

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.