CVE-2023-6996: display custom Code Injection — Fix

Description

The Display custom fields in the frontend – Post and User Profile Fields plugin for WordPress is vulnerable to Code Injection via the plugin's vg_display_data shortcode in all versions up to, and including, 1.2.1 due to insufficient input validation and restriction on access to that shortcode. This makes it possible for authenticated attackers with contributor-level and above permissions to call arbitrary functions and execute code.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-94 CWE-94

Affected Products

Vendor	Product	Versions
vegacorp	display_custom_fields_in_the_frontend_-_post_and_user_profile_fields	< 1.3.0

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3021133%40shortcode-to-display-post-and-user-data&new=3021133%40shortcode-to-display-post-and-user-data&sfp_email=&sfph_mail= https://www.wordfence.com/threat-intel/vulnerabilities/id/e0662c3a-5b82-4b9a-aa69-147094930d1f?source=cve https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3021133%40shortcode-to-display-post-and-user-data&new=3021133%40shortcode-to-display-post-and-user-data&sfp_email=&sfph_mail= https://www.wordfence.com/threat-intel/vulnerabilities/id/e0662c3a-5b82-4b9a-aa69-147094930d1f?source=cve

Frequently Asked Questions

What is CVE-2023-6996? +

The Display custom fields in the frontend – Post and User Profile Fields plugin for WordPress is vulnerable to Code Injection via the plugin's vg_display_data shortcode in all versions up to, and including, 1.2.1 due to insufficient input validation and restriction on access to that shortcode. This makes it possible for authenticated attackers with contributor-level and above permissions to call arbitrary functions and execute code. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-6996? +

CVE-2023-6996 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-6996? +

CVE-2023-6996 affects products from vegacorp, specifically: display_custom_fields_in_the_frontend_-_post_and_user_profile_fields. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6996? +

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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