CVE-2024-13883

MEDIUM

WPUpper Share Buttons <= 3.51 - Cross-Site Request Forgery via save_custom_css_request

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 4.3
EPSS 0.0021
EPSS Percentile 10.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-352
Status published
Products (2)
victorfreitas/WPUpper Share Buttons < 3.51
victorfreitas/wpupper_share_buttons < 3.51
Published Feb 21, 2025
Tracked Since Feb 18, 2026