XSS in Migrate Users Project

CVE-2021-24477

The Migrate Users WordPress plugin through 1.0.1 does not sanitise or escape its Delimiter option before outputting in a page, leading to a Stored Cross-Site Scripting issue. Furthermore, the plugin does not have CSRF check in place when saving its options, allowing the issue to be exploited via a CSRF attack.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (34.3th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24477?
CVE-2021-24477 is a medium-severity vulnerability in Migrate Users Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-02.
How severe is CVE-2021-24477?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24477 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.