UpHeron
All vulnerabilities

Servers and applications

CVE-2023-28467

User CP email persistent XSS

Severity
Medium 6.1
Published
21 May 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.8.34
Also known as
GHSA-3q8x-9fh2-v646
Sources
NVD, Project advisories (GitHub)

Description

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

Affected software

SoftwareAffected versions
MyBBServers and applications · cpe:a:mybb:mybb
  • Every version before 1.8.34
MyBBServers and applications · github:mybb/mybb
  • Every version before 1.8.34

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-28467
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-28467
  • GitHub Advisory Database https://github.com/advisories/GHSA-3q8x-9fh2-v646
  • github.com https://github.com/mybb/mybb/security/advisories/GHSA-3q8x-9fh2-v646