ConcreteCMS up to 9.3.9 Feature Block save Paragraph Source cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in ConcreteCMS up to 9.3.9. This issue affects the function Save of the component Feature Block Handler. Executing a manipulation of the argument Paragraph Source can lead to cross site scripting. This vulnerability is registered as CVE-2025-2968. It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in ConcreteCMS up to 9.3.9. It has been declared as problematic. This vulnerability affects the function save of the component Feature Block Handler. The manipulation of the argument Paragraph Source with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-2968. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

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: 3.5
VulDB Meta Temp Score: 3.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.5
CNA Vector: 🔍

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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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

03/30/2025 🔍
03/30/2025 +0 days 🔍
03/31/2025 +1 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-2968 (🔍)
GCVE (CVE): GCVE-0-2025-2968
GCVE (VulDB): GCVE-100-302020
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/30/2025 09:21
Updated: 03/31/2025 04:17
Changes: 03/30/2025 09:21 (56), 03/31/2025 04:17 (30)
Complete: 🔍
Submitter: yaowenxiao
Cache ID: 216::103

Submitinfo

Accepted

Once again VulDB remains the best source for vulnerability data.

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