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CVE-2026-18317

MEDIUM 4.3 CVSS 3.1
Published
September 18, 2026
Last modified
September 18, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Description

The Foxtool All-in-One: Contact chat button, Custom login, Media optimize images plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.5.3. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify arbitrary subkeys of the foxtool_settings option, including enabling site-wide SVG uploads by toggling the media-up3 key, which can facilitate stored cross-site scripting via malicious SVG files.

Affected WordPress components

  • Foxtool All-in-One: Contact chat button, Custom login, Media optimize images Plugin · foxtool
    Confirmed match Active
    Up to and including 2.5.3
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • foxtheme Foxtool All-in-One: Contact chat button, Custom login, Media optimize images — Up to and including 2.5.3

References