CVE-2023-53934
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-18

Last updated on: 2025-12-24

Assigner: VulnCheck

Description
A denial of service vulnerability in Kentico Xperience allows attackers to launch DoS attacks via specially crafted requests to the GetResource handler. Improper input validation enables remote attackers to potentially disrupt service availability through maliciously constructed requests.
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Meta Information
Published
2025-12-18
Last Modified
2025-12-24
Generated
2026-06-16
AI Q&A
2025-12-18
EPSS Evaluated
2026-06-15
NVD
CVE-2023-53934
EUVD
EUVD-2025-204344
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
kentico xperience to 12.0.98 (inc)
Helpful Resources
Exploitability
CWE
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KEV
KEV Icon
CWE ID Description
CWE-97 The product generates a web page, but does not neutralize or incorrectly neutralizes user-controllable input that could be interpreted as a server-side include (SSI) directive.
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Executive Summary

CVE-2023-53934 is a high-severity denial of service (DoS) vulnerability in Kentico Xperience versions up to 12.0.98. It occurs in the GetResource handler due to improper input validation, which allows remote attackers to send specially crafted requests exploiting improper neutralization of server-side includes (SSI). This causes the application to become unresponsive or crash, disrupting service availability. [1]

Impact Analysis

This vulnerability can impact you by allowing remote attackers to launch denial of service attacks against your Kentico Xperience application. By sending specially crafted requests, attackers can cause the application to become unresponsive or crash, leading to disruption of service availability and potential downtime. [1]

Detection Guidance

Detection involves monitoring for specially crafted requests to the GetResource handler that exploit improper input validation. You can use network traffic analysis tools like tcpdump or Wireshark to capture HTTP requests targeting the GetResource endpoint and look for unusual or malformed parameters. For example, using curl to send test requests and observe server behavior may help identify vulnerability exploitation attempts. Specific commands are not provided in the resources. [1]

Mitigation Strategies

The immediate mitigation step is to apply the hotfixes released by Kentico that address this vulnerability. Additionally, monitoring and filtering incoming requests to the GetResource handler to block suspicious or malformed requests can help reduce risk until patches are applied. [1]

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