What is CVE-2026-25863?

CVE-2026-25863 is a high-severity vulnerability in Jules Colle Conditional Fields For Contact Form 7, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.5/10. Published 2026-05-04.

How severe is CVE-2026-25863?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Jules Colle Conditional Fields For Contact Form 7

CVE-2026-25863

Conditional Fields for Contact Form 7 WordPress plugin through version 2.7.2 contains an uncontrolled resource consumption vulnerability in the Wpcf7cfMailParser class where the hide_hidden_mail_fields_regex_callback() method reads an iter…

EPSS: 0.001 (24.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Jules Colle Conditional Fields For Contact Form 7 — versions 0

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

disclosure@vulncheck.com (release-notes, patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-25863?: CVE-2026-25863 is a high-severity vulnerability in Jules Colle Conditional Fields For Contact Form 7, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.5/10. Published 2026-05-04.
How severe is CVE-2026-25863?: High severity. CVSS v3 base score is 7.5 out of 10.