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CVE-2025-53693· NVD / CVE Program· CNA Wiz

HTML Cache Poisoning through Unsafe Reflections

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.

CriticalCVSS 9.8 · v3.1—Proof of concept No fix recorded

Noroxi analysis

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Published
Sep 3, 2025
Updated
Jun 17, 2026
EPSS
14.8% · 97th percentile
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Report tools

JSON

Action score

43

Plan

Add it to your regular patch cycle.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
4 / 30 · 14.8%

CISA SSVC decision

Exploitation
proof of concept
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Wiz
9.8
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
sitecoreexperience commerce
sitecoreexperience manager
sitecoreexperience platform
sitecoremanaged cloud

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • sitecore experience commerce9.0 and later · up to 10.4 inclusive
  • sitecore experience manager9.0 and later · up to 10.4 inclusive
  • sitecore experience platform9.0 and later · before 10.4
  • sitecore experience platform10.4
  • sitecore managed cloudall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Wiz). Independent of NVD's CPE analysis and usually ahead of it.

  • Sitecore Experience Platform (XP)

    • 9.0 and later · up to and including 9.3affected · semver
    • 10.0 and later · up to and including 10.4affected · semver

  • Sitecore Sitecore Experience Manager (XM)

    • 9.0 and later · up to and including 9.3affected · semver
    • 10.0 and later · up to and including 10.4affected · semver

Same product

sitecore: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-53690Sitecore Products ViewState Deserialization VulnerabilityKEV
    81Now
  • CVE-2023-35813Multiple Sitecore products allow remote code execution.
    65This week
  • CVE-2025-34509Sitecore XM and XP Hardcoded Credentials
    47Plan
  • CVE-2025-34511Sitecore PowerShell Extension RCE via Unrestricted Upload
    44Plan
  • CVE-2024-46938An issue was discovered in Sitecore Experience Platform (XP), Experience Manager (XM), and Experience Commerce (XC) 8.0 Initial Release thro
    44Plan
  • CVE-2025-34510Sitecore XM, XC, and XP Post-Auth RCE via Zip Slip
    42Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Proof-of-concept repository on GitHub ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Proof-of-concept repository on GitHubstars:12025-09-01

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. First PoC-2 d
  2. Published
  3. TodaySep 30, 2026+393 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-470 · Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records