What is CVE-2026-85117?

CVE-2026-85117 is a medium-severity vulnerability in Contact Form 7 Captcha, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.5/10. Published 2026-09-09.

How severe is CVE-2026-85117?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Contact Form 7 Captcha

CVE-2026-85117

The Contact Form 7 Captcha WordPress plugin before 0.1.9 runs the shortcode parser over the whole rendered Contact Form 7 form, including the values a visitor submitted, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Unknown Contact Form 7 Captcha

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-85117?: CVE-2026-85117 is a medium-severity vulnerability in Contact Form 7 Captcha, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.5/10. Published 2026-09-09.
How severe is CVE-2026-85117?: Medium severity. CVSS v3 base score is 6.5 out of 10.