CVE-2025-26557
Published: 03 March 2025
Description
Adversaries may abuse various implementations of JavaScript for execution.
Security Summary
CVE-2025-26557 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the ViperBar WordPress plugin developed by viperchill (also referenced as viperbar). This issue affects ViperBar versions from n/a through 2.0 inclusive, as published on 2025-03-03.
The vulnerability 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), indicating network accessibility, low attack complexity, no privileges required, and user interaction needed, with a changed scope leading to low impacts on confidentiality, integrity, and availability. Remote attackers can exploit it by crafting malicious inputs that reflect back unneutralized in web page generation, tricking authenticated or unauthenticated users into interacting with a malicious link or page to execute scripts in the victim's browser context.
The Patchstack advisory (https://patchstack.com/database/Wordpress/Plugin/viperbar/vulnerability/wordpress-viperbar-plugin-2-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve) documents this Reflected XSS vulnerability specifically in ViperBar plugin version 2.0 for WordPress, providing details relevant to mitigation and patching for affected installations.
Details
- CWE(s)
MITRE ATT&CK Enterprise Techniques
Why these techniques?
Reflected XSS in public-facing WordPress plugin directly enables T1190 (exploiting public-facing app via crafted malicious input/link) and T1059.007 (arbitrary JavaScript execution in victim's browser context).