Kentico CMS 7 GET Request Parameter AccessDenied.aspx cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.52

Summaryinfo

A vulnerability was found in Kentico CMS 7. It has been classified as problematic. The impacted element is an unknown function of the file to /CMSMessages/AccessDenied.aspx of the component GET Request Parameter Handler. The manipulation leads to cross site scripting. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is traded as CVE-2024-12907. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Kentico CMS 7. This issue affects an unknown code block of the file to /CMSMessages/AccessDenied.aspx of the component GET Request Parameter Handler. 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:

Kentico CMS in version 7 is vulnerable to a Reflected XSS attacks through manipulation of a specific GET request parameter sent to /CMSMessages/AccessDenied.aspx endpoint. Notably, support for this version of Kentico ended in 2016. Version 8 was tested as well and does not contain this vulnerability.

The weakness was shared by Michał Majchrowicz. It is possible to read the advisory at cert.pl. The identification of this vulnerability is CVE-2024-12907 since 12/23/2024. 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. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:to /CMSMessages/AccessDenied.aspx it is possible to find vulnerable targets with Google Hacking.

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

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

Productinfo

Type

Vendor

Name

Version

Support

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: 4.3
VulDB Meta Temp Score: 4.3

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

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
Google Hack: 🔍

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

12/23/2024 🔍
01/02/2025 +10 days 🔍
01/02/2025 +0 days 🔍
01/02/2025 +0 days 🔍

Sourcesinfo

Advisory: cert.pl
Researcher: Michał Majchrowicz
Status: Not defined

CVE: CVE-2024-12907 (🔍)
GCVE (CVE): GCVE-0-2024-12907
GCVE (VulDB): GCVE-100-290099

Entryinfo

Created: 01/02/2025 17:32
Changes: 01/02/2025 17:32 (69)
Complete: 🔍
Cache ID: 216::103

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