Kentico Xperience up to 13.0.178 File Upload cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Kentico Xperience up to 13.0.178. This vulnerability affects unknown code of the component File Upload. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2025-2748. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Kentico Xperience up to 13.0.178 and classified as problematic. This issue affects an unknown functionality of the component File Upload. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.

The weakness was published by Piotr Bazydlo. It is possible to read the advisory at devnet.kentico.com. The identification of this vulnerability is CVE-2025-2748 since 03/24/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-8011). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 6.1
CNA Vector (VulnCheck): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/24/2025 🔍
03/24/2025 +0 days 🔍
03/24/2025 +0 days 🔍
12/27/2025 +278 days 🔍

Sourcesinfo

Advisory: devnet.kentico.com
Researcher: Piotr Bazydlo
Status: Confirmed

CVE: CVE-2025-2748 (🔍)
GCVE (CVE): GCVE-0-2025-2748
GCVE (VulDB): GCVE-100-300875
EUVD: 🔍

Entryinfo

Created: 03/24/2025 20:39
Updated: 12/27/2025 18:42
Changes: 03/24/2025 20:39 (63), 09/23/2025 03:38 (12), 12/17/2025 22:12 (1), 12/27/2025 18:42 (6)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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