In MyBB up to 1.8.33 User CP user email cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in In MyBB up to 1.8.33. Affected by this vulnerability is an unknown functionality of the component User CP Module. This manipulation of the argument user email causes cross site scripting. The identification of this vulnerability is CVE-2023-28467. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in In MyBB up to 1.8.33 (Content Management System). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component User CP Module. The manipulation of the argument user email 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 summary by CVE is:

In MyBB before 1.8.34, there is XSS in the User CP module via the user email field.

The weakness was shared 05/22/2023 as GHSA-3q8x-9fh2-v646. The advisory is shared at github.com. This vulnerability is known as CVE-2023-28467 since 03/15/2023. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 1.8.34 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-32144). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

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: In MyBB 1.8.34

Timelineinfo

03/15/2023 🔍
05/22/2023 +67 days 🔍
05/22/2023 +0 days 🔍
12/06/2025 +929 days 🔍

Sourcesinfo

Advisory: GHSA-3q8x-9fh2-v646
Status: Confirmed

CVE: CVE-2023-28467 (🔍)
GCVE (CVE): GCVE-0-2023-28467
GCVE (VulDB): GCVE-100-229669
EUVD: 🔍

Entryinfo

Created: 05/22/2023 22:39
Updated: 12/06/2025 21:27
Changes: 05/22/2023 22:39 (42), 06/16/2023 08:16 (11), 12/06/2025 21:27 (16)
Complete: 🔍
Cache ID: 216::103

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