CVE-2024-13883 Information

Description

The WPUpper Share Buttons plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to and including 3.51. This is due to missing or incorrect nonce validation on the ‘save_custom_css_request’ function. This makes it possible for unauthenticated attackers to inject custom CSS to modify a site via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVSS Vector

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

Reference

https://plugins.trac.wordpress.org/browser/wpupper-share-buttons/trunk/Controller/ajax.controller.php#L94 https://www.wordfence.com/threat-intel/vulnerabilities/id/5ca55c87-6548-43b8-a23f-d31a51df9533?source=cve

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3