A HIGH-severity vulnerability identified as CVE-2026-11395 has been published on June 18, 2026 with a CVSS base score of 7.2. This security advisory provides a detailed breakdown of the vulnerability, its potential impact, weakness classification, and actionable steps to protect your systems.
Vulnerability Details
CVE ID: CVE-2026-11395
Severity: HIGH
CVSS Score: 7.2
Published: June 18, 2026
Weakness (CWE): CWE-918
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Confidentiality Impact | Low |
| Integrity Impact | Low |
| Availability Impact | None |
Technical Description
The CF7 to Webhook plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.0.0 via the pull_the_trigger. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services. Exploitation requires that the admin-configured webhook URL contains a Contact Form 7 field placeholder in the host segment of the URL, and that the affected form is publicly accessible.
Potential Impact
If exploited, this high-severity vulnerability could allow an attacker to cause significant damage to affected systems. Organizations running affected software should treat this as a priority remediation item.
Recommended Action
No official patch is available yet. Until one is released:
- Monitor the official NVD page and vendor channels for patch announcements.
- Restrict access to the affected system or service where possible.
- Apply network-level mitigations such as firewall rules or WAF policies.
- Enable logging and alerting for anomalous activity related to this vulnerability.
- Review your incident response plan in case of active exploitation.
References
Related Security Advisories
- [HIGH] CVE-2026-6229 — CVSS 7.2 (May 2, 2026) — HIGH / CVSS 7.2
- [HIGH] CVE-2026-7025 — CVSS 7.3 (April 26, 2026) — HIGH / CVSS 7.3
- [HIGH] CVE-2023-33999 — CVSS 7.1 (June 11, 2026) — HIGH / CVSS 7.1
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