XSS in Export User Project

CVE-2023-27890

The Export User plugin through 2.0 for MyBB allows XSS during the process of an admin generating DSGVO data for a user, via the Custom User Title, Location, or Bio field. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (47.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-27890?
CVE-2023-27890 is a medium-severity vulnerability in Export User Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-14.
How severe is CVE-2023-27890?
Medium severity. CVSS v3 base score is 5.4 out of 10.