In MyBB up to 1.8.33 User CP user email cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.7 | $0-$5k | 0.00 |
Summary
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.
Details
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.
Product
Type
Name
Version
- 1.8.0
- 1.8.1
- 1.8.2
- 1.8.3
- 1.8.4
- 1.8.5
- 1.8.6
- 1.8.7
- 1.8.8
- 1.8.9
- 1.8.10
- 1.8.11
- 1.8.12
- 1.8.13
- 1.8.14
- 1.8.15
- 1.8.16
- 1.8.17
- 1.8.18
- 1.8.19
- 1.8.20
- 1.8.21
- 1.8.22
- 1.8.23
- 1.8.24
- 1.8.25
- 1.8.26
- 1.8.27
- 1.8.28
- 1.8.29
- 1.8.30
- 1.8.31
- 1.8.32
- 1.8.33
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.8VulDB 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: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Cross site scriptingCWE: 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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: In MyBB 1.8.34
Timeline
03/15/2023 🔍05/22/2023 🔍
05/22/2023 🔍
12/06/2025 🔍
Sources
Advisory: GHSA-3q8x-9fh2-v646Status: Confirmed
CVE: CVE-2023-28467 (🔍)
GCVE (CVE): GCVE-0-2023-28467
GCVE (VulDB): GCVE-100-229669
EUVD: 🔍
Entry
Created: 05/22/2023 22:39Updated: 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
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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