Authenticated script execution via reflected administration input
Published Dec 18, 2025 · Updated Dec 18, 2025
Reflected XSS in Kentico Xperience 13.0.120 and earlier allows remote authenticated users to execute scripts in the administration interface. Kentico has not disclosed the affected page, input parameter, or output-encoding operation that mishandles the reflected value. Exploitation requires authenticated access and active interaction by an administration user, exposing that user's administrative browser context.
Summary
What happened
Reflected XSS in Kentico Xperience 13.0.120 and earlier allows remote authenticated users to execute scripts in the administration interface. Kentico has not disclosed the affected page, input parameter, or output-encoding operation that mishandles the reflected value. Exploitation requires authenticated access and active interaction by an administration user, exposing that user's administrative browser context.
The record
- CVE
- CVE-2023-53736
- Published
- Dec 18, 2025
- Updated
- Dec 18, 2025
- Vendor
- Kentico
- Product
- Kentico Xperience
- Classifications
- CWE-79, T1203
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Dec 18, 2025CVE publishedPublication date reported by the CVE source.
- Dec 18, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=13.0.120
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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