CVE-2025-53693CWE-470

CVE-2025-53693

Critical · published September 3, 2025

CVSS v3.1
9.8
EPSS
20%
Percentile
97.4
In the wild
Unconfirmed
What it is

🚨 A crafty reflection vulnerability in Sitecore could turn your cache into a poison garden! 🔥 Think of it like a restaurant where an outside chef can decide what's on the menu — if they sneak in an unwanted dish, it could ruin the whole dining experience for your guests! This vulnerability allows an attacker to exploit externally-controlled input, potentially leading to cache poisoning. If left unaddressed, it could disrupt normal operations, serving poisoned data to users and affecting the integrity of your web applications.

Put simply

Think of it like a restaurant where an outside chef can decide what's on the menu — if they sneak in an unwanted dish, it could ruin the whole dining experience for your guests! The 'Unsafe Reflection' vulnerability in Sitecore Experience Manager and Experience Platform allows attackers to leverage uncontrolled input for class or code selection, facilitating malicious cache manipulation.

What to do

This vulnerability allows an attacker to exploit externally-controlled input, potentially leading to cache poisoning. If left unaddressed, it could disrupt normal operations, serving poisoned data to users and affecting the integrity of your web applications. Update to Sitecore Experience Manager (XM) version 10.4.1 or later and Experience Platform (XP) version 10.4.1 or later to mitigate this issue. It's also crucial to conduct a thorough audit of your input handling and implement proper validation checks to prevent such vulnerabilities. You’ve got this! Patch those systems and fortify your defenses! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.19927 · 97.4th percentile
Weakness
CWE-470 · Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
Published
2025-09-03T17:15Z
Affected products (5)
ProductVersionsFixed in
sitecore/experience_commerce≥ 9.0, ≤ 10.4—
sitecore/experience_manager≥ 9.0, ≤ 10.4—
sitecore/experience_platform≥ 9.0, < 10.410.4
sitecore/experience_platformall versions—
sitecore/managed_cloudall versions—
References (2)
EPSS history
Timeline
  • 03 SEP 12:36Z
    HTML Cache Poisoning through Unsafe Reflections
    cvelistv5