What is CVE-2026-8939?

CVE-2026-8939 is a medium-severity vulnerability in Simonailie Search Simple Fields, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-05-27.

How severe is CVE-2026-8939?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CSRF in Simonailie Search Simple Fields

CVE-2026-8939

The Search Simple Fields plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 0.2. This is due to missing or incorrect nonce validation on the search_simple_fields_options() function in functio…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.000 (2.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Simonailie Search Simple Fields — versions 0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

Frequently asked questions

What is CVE-2026-8939?: CVE-2026-8939 is a medium-severity vulnerability in Simonailie Search Simple Fields, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-05-27.
How severe is CVE-2026-8939?: Medium severity. CVSS v3 base score is 4.3 out of 10.