CVE-2025-53693 | HTML Cache Poisoning through Unsafe Reflections

Exp

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.

Published: 2025-09-03 Last update: 2025-09-08 Assigner: 9947ef80-c5d5-474a-bbab-97341a59000e Source: 9947ef80-c5d5-474a-bbab-97341a59000e

Conclusion & alert: CVE-2025-53693 is rated High Exploit Risk (79.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.70%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2025-53693

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2025-53693

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-30 0.53% 0.70% +0.17%
2 2026-05-23 0.74% 0.53% -0.21%
3 2026-05-22 0.74%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-53693

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 9947ef80-c5d5-474a-bbab-97341a59000e

Weakness enumeration for CVE-2025-53693

Affected software / configurations for CVE-2025-53693

Vendor Product Version Raw CPE
sitecore experience_commerce >= 9.0, <= 10.4 cpe:2.3:a:sitecore:experience_commerce:*:*:*:*:*:*:*:*
sitecore experience_manager >= 9.0, <= 10.4 cpe:2.3:a:sitecore:experience_manager:*:*:*:*:*:*:*:*
sitecore experience_platform >= 9.0, < 10.4 cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:*
sitecore experience_platform 10.4 cpe:2.3:a:sitecore:experience_platform:10.4:-:*:*:*:*:*:*
sitecore managed_cloud cpe:2.3:a:sitecore:managed_cloud:-:*:*:*:*:*:*:*

References for CVE-2025-53693

cvelogic Threat Intelligence