CVE-2025-28917
Published: 26 March 2025
Description
Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.
Security Summary
CVE-2025-28917 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Stored Cross-site Scripting (XSS) under CWE-79, in the crazyloong Custom Smilies (custom-smilies-se) WordPress plugin. This issue affects all versions from n/a through 2.9.2. Published on 2025-03-26T15:16:16.803, it carries a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L).
Attackers can exploit this vulnerability remotely with low complexity and no required privileges, though it necessitates user interaction such as viewing a maliciously crafted page. By injecting payloads through the plugin's smilies functionality, adversaries can store scripts that execute in victims' browsers, achieving low impacts on confidentiality, integrity, and availability within a changed scope.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/custom-smilies-se/vulnerability/wordpress-custom-smilies-plugin-2-9-2-cross-site-scripting-xss-vulnerability?_s_id=cve documents the Stored XSS vulnerability in Custom Smilies plugin version 2.9.2, providing details for WordPress administrators to address the issue.
Details
- CWE(s)
MITRE ATT&CK Enterprise Techniques
Why these techniques?
Stored XSS in public-facing WordPress plugin directly enables T1190 (exploiting the web app vuln to inject payloads) and facilitates T1189 (drive-by compromise via malicious scripts executing in visitors' browsers).