Concrete CMS up to 9.1 Reply Form msgID cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Concrete CMS up to 9.1. This affects an unknown part of the component Reply Form. Performing a manipulation of the argument msgID results in cross site scripting. This vulnerability is identified as CVE-2023-28475. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Concrete CMS up to 9.1 (Content Management System). This affects some unknown functionality of the component Reply Form. The manipulation of the argument msgID 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. The summary by CVE is:

Concrete CMS (previously concrete5) before 9.2 is vulnerable to Reflected XSS on the Reply form because msgID was not sanitized.

The weakness was released 04/28/2023. It is possible to read the advisory at concretecms.org. This vulnerability is uniquely identified as CVE-2023-28475 since 03/15/2023. 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.

Upgrading to version 9.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-1396). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD 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: 🔍
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CMS 9.2

Timelineinfo

03/15/2023 🔍
04/28/2023 +43 days 🔍
04/28/2023 +0 days 🔍
07/13/2025 +806 days 🔍

Sourcesinfo

Advisory: concretecms.org
Status: Confirmed

CVE: CVE-2023-28475 (🔍)
GCVE (CVE): GCVE-0-2023-28475
GCVE (VulDB): GCVE-100-227691
EUVD: 🔍

Entryinfo

Created: 04/28/2023 17:22
Updated: 07/13/2025 01:47
Changes: 04/28/2023 17:22 (42), 05/21/2023 23:07 (11), 07/13/2025 01:47 (16)
Complete: 🔍
Cache ID: 216::103

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

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