CVE-2023-6742: envira gallery Auth Bypass — Fix

Description

The Gallery Plugin for WordPress – Envira Photo Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to an improper capability check on the 'envira_gallery_insert_images' function in all versions up to, and including, 1.8.7.1. This makes it possible for authenticated attackers, with contributor access and above, to modify galleries on other users' posts.

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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:N/I:L/A:N

Weakness Type (CWE)

CWE-862 Missing Authorization

CWE-754 CWE-754

Affected Products

Vendor	Product	Versions
enviragallery	envira_gallery	< 1.8.7.1

References

Advisories & Patches

https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/admin/ajax.php https://plugins.trac.wordpress.org/changeset/3017115/envira-gallery-lite/tags/1.8.7.3/includes/admin/ajax.php https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/admin/ajax.php https://plugins.trac.wordpress.org/changeset/3017115/envira-gallery-lite/tags/1.8.7.3/includes/admin/ajax.php

Other References

https://www.wordfence.com/threat-intel/vulnerabilities/id/40655278-6915-4a76-ac2d-bb161d3cee92?source=cve https://www.wordfence.com/threat-intel/vulnerabilities/id/40655278-6915-4a76-ac2d-bb161d3cee92?source=cve

Frequently Asked Questions

What is CVE-2023-6742? +

The Gallery Plugin for WordPress – Envira Photo Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to an improper capability check on the 'envira_gallery_insert_images' function in all versions up to, and including, 1.8.7.1. This makes it possible for authenticated attackers, with contributor access and above, to modify galleries on other users' posts. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2023-6742? +

CVE-2023-6742 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-2023-6742? +

CVE-2023-6742 affects products from enviragallery, specifically: envira_gallery. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6742? +

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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