Kentico Xperience 13.0.167 Form cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Kentico Xperience 13.0.167 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Form Handler. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2025-5591. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Kentico Xperience 13.0.167. It has been classified as problematic. Affected is an unknown code of the component Form Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. CVE summarizes:

Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component, allowing an attacker to hijack a victim user’s session and perform actions in their security context.

The weakness was shared by Michael Nervo. The advisory is shared for download at themissinglink.com.au. This vulnerability is traded as CVE-2025-5591 since 06/04/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

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 CNNVD (CNNVD-202601-951). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

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

NVD Base Score: 5.4
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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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

06/04/2025 CVE reserved
01/05/2026 +215 days Advisory disclosed
01/05/2026 +0 days VulDB entry created
01/23/2026 +18 days VulDB entry last update

Sourcesinfo

Advisory: themissinglink.com.au
Researcher: Michael Nervo
Status: Not defined

CVE: CVE-2025-5591 (🔒)
GCVE (CVE): GCVE-0-2025-5591
GCVE (VulDB): GCVE-100-339504
CNNVD: CNNVD-202601-951 - Kentico Xperience 安全漏洞

Entryinfo

Created: 01/05/2026 06:41
Updated: 01/23/2026 09:43
Changes: 01/05/2026 06:41 (67), 01/05/2026 07:17 (1), 01/06/2026 16:19 (6), 01/23/2026 09:43 (11)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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