CVE-2026-85117 PUBLISHED

Contact Form 7 Captcha 0.1.7 - 0.1.8 - Unauthenticated Arbitrary Shortcode Execution via Form Field Repopulation

Assigner: WPScan
Reserved: 03.09.2026 Published: 09.09.2026 Updated: 09.09.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS Score: 6.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Unknown
Product	Contact Form 7 Captcha
Versions	Default: unaffected affected from 0.1.7 to 0.1.9 (excl.)

Credits

Jakub Herman finder
WPScan coordinator

References

https://wpscan.com/vulnerability/e791e4a6-5ec1-49c7-9448-1d83ec4f4905/

Problem Types

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