CVE-2023-6630: contact form 7 — Fix

Description

The Contact Form 7 – Dynamic Text Extension plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.0 via the CF7_get_custom_field and CF7_get_current_user shortcodes due to missing validation on a user controlled key. This makes it possible for authenticated attackers with contributor access or higher to access arbitrary metadata of any post type, referencing the post by id and the meta by key.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-359 CWE-359

CWE-639 CWE-639

Affected Products

Vendor	Product	Versions
rocklobster	contact_form_7	< 4.1.0

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3019572%40contact-form-7-dynamic-text-extension%2Ftrunk&old=2968460%40contact-form-7-dynamic-text-extension%2Ftrunk&sfp_email=&sfph_mail=#file4 https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3019572%40contact-form-7-dynamic-text-extension%2Ftrunk&old=2968460%40contact-form-7-dynamic-text-extension%2Ftrunk&sfp_email=&sfph_mail=#file4

Other References

https://www.wordfence.com/threat-intel/vulnerabilities/id/a3f1d836-da32-414f-9f2b-d485c44b2486?source=cve https://www.wordfence.com/threat-intel/vulnerabilities/id/a3f1d836-da32-414f-9f2b-d485c44b2486?source=cve

Frequently Asked Questions

What is CVE-2023-6630? +

The Contact Form 7 – Dynamic Text Extension plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.0 via the CF7_get_custom_field and CF7_get_current_user shortcodes due to missing validation on a user controlled key. This makes it possible for authenticated attackers with contributor access or higher to access arbitrary metadata of any post type, referencing the post by id and the meta by key. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2023-6630? +

CVE-2023-6630 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-6630? +

CVE-2023-6630 affects products from rocklobster, specifically: contact_form_7. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6630? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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