CVE-2023-28467

Name: CVE-2023-28467
Creator: NVD / NIST
Published: 2023-05-22T19:15:10.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2023-28467 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. In MyBB before 1.8.34, there is XSS in the User CP module via the user email field.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.51%

39.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mybb	Mybb	< 1.8.34

References

https://github.com/mybb/mybb/security/advisories/GHSA-3q8x-9fh2-v646Patch, Release Notes, Third Party Advisory
https://mybb.comProduct
https://github.com/mybb/mybb/security/advisories/GHSA-3q8x-9fh2-v646Patch, Release Notes, Third Party Advisory
https://mybb.comProduct

Timeline

Published: May 22, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28467?

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

How severe is CVE-2023-28467?

CVE-2023-28467 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28467?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-28467?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST