What is CVE-2026-8423?

CVE-2026-8423 is a medium-severity vulnerability in Javibola Custom Theme Test, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-05-20.

How severe is CVE-2026-8423?

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

CSRF in Javibola Custom Theme Test

CVE-2026-8423

The JaviBola Custom Theme Test plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.5. This is due to missing or incorrect nonce validation on the options page. This makes it possible f…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.000 (0.5th 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

Javibola Custom Theme Test — versions 0

Weakness classification (CWE)

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

References

security@wordfence.com
security@wordfence.com
security@wordfence.com
security@wordfence.com
security@wordfence.com
security@wordfence.com
security@wordfence.com

Frequently asked questions

What is CVE-2026-8423?: CVE-2026-8423 is a medium-severity vulnerability in Javibola Custom Theme Test, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-05-20.
How severe is CVE-2026-8423?: Medium severity. CVSS v3 base score is 4.3 out of 10.