CVE-2025-53693
HTML Cache Poisoning through Unsafe Reflections
CRITICAL 9.8EPSS 19.9%
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Sitecore Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Cache Poisoning.This issue affects Sitecore Experience Manager (XM): from 9.0 through 9.3, from 10.0 through 10.4; Experience Platform (XP): from 9.0 through 9.3, from 10.0 through 10.4.
- Affected
- Sitecore · Sitecore Experience Manager (XM) · Experience Platform (XP)
- CVSS v3.1 CNA
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 19.93% chance of exploitation in the next 30 days, 97th percentile
- Published
- 2025-09-03
Proof-of-concept exploits (3)
- https://labs.watchtowr.com/cache-me-if-you-can-sitecore-experience-platform-cache-poisoni…
- blueisbeautiful/CVE-2025-536931★ · 2025-09-01
- brokendreamsclub/CVE-2025-536931★ · 2025-09-01
Security advisories
- https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667
- https://labs.watchtowr.com/cache-me-if-you-can-sitecore-experience-platform-cache-poisoni…