CVE-2021-24477

CVE-2021-24477 is a medium-severity vulnerability in Migrate Users Project Migrate Users with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-24477?
CVE-2021-24477 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24477 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24477?
CVE-2021-24477 affects Migrate Users Project Migrate Users. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24477?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24477 published?
CVE-2021-24477 was published on 2021-08-02 and last updated on 2026-06-17.

References

Affected products (1)

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