XSS in Mybb

CVE-2023-28467

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

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (40.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Mybb
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-28467?
CVE-2023-28467 is a medium-severity vulnerability in Mybb, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-05-22.
How severe is CVE-2023-28467?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-28467 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.