CVE-2026-28101
Published: 05 March 2026
Summary
CVE-2026-28101 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 14.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).
Deeper analysis
CVE-2026-28101 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the UberSlider MouseInteraction WordPress plugin (uberSlider_mouseinteraction) from LambertGroup. This issue affects all versions from an unspecified initial release through 2.3.
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 required privileges, and user interaction such as clicking a malicious link. Remote attackers can exploit it by injecting malicious scripts via reflected input, achieving low impacts on confidentiality, integrity, and availability with a changed scope, potentially leading to session hijacking or data theft for interacting users.
The Patchstack advisory provides details on this WordPress plugin vulnerability at https://patchstack.com/database/Wordpress/Plugin/uberSlider_mouseinteraction/vulnerability/wordpress-uberslider-mouseinteraction-plugin-2-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9756
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LambertGroup UberSlider MouseInteraction uberSlider_mouseinteraction allows Reflected XSS.This issue affects UberSlider MouseInteraction: from n/a through <= 2.3.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS (CWE-79) in a public-facing WordPress plugin is directly exploitable via T1190; the reflected input + UI:R requirement (malicious link) also facilitates delivery via T1566.002.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly requires validation of all information inputs to reject or neutralize malicious script payloads before they are reflected in web page output.
Requires filtering/sanitization of information outputs so that untrusted reflected input cannot execute as script in the browser.
Malicious-code protection mechanisms can be configured to inspect and block common reflected XSS payloads at the web-application or boundary layer.