CVE-2019-11557 — The WebDorado Contact Form Builder plugin before 1

The WebDorado Contact Form Builder plugin before 1.0.69 for WordPress allows CSRF via the wp-admin/admin-ajax.php action parameter, with resultant local file inclusion via directory traversal, because there can be a discrepancy between the $_POST['action'] value and the

01What is this vulnerability?

The WebDorado Contact Form Builder plugin before 1.0.69 for WordPress allows CSRF via the wp-admin/admin-ajax.php action parameter, with resultant local file inclusion via directory traversal, because there can be a discrepancy between the $_POST['action'] value and the $_GET['action'] value, and the latter is unsanitized.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-04-26T21:42:23.000Z
• Last modified: 2024-08-04T22:55:40.903Z

09References

• lists.openwall.net — https://lists.openwall.net/full-disclosure/2019/04/23/1
• wordpress.org — https://wordpress.org/plugins/contact-form-builder/#developers
• seclists.org — http://seclists.org/fulldisclosure/2019/Apr/35
• wpvulndb.com — https://wpvulndb.com/vulnerabilities/9260