CVE-2026-28099: WordPress UberSlider Ultra plugin <= 2.3 - Reflected Cross Site Scripting (XSS) vulnerability

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-05 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LambertGroup UberSlider Ultra uberSlider_ultra allows Reflected XSS.This issue affects UberSlider Ultra: from n/a through <= 2.3.

Affected products

LambertGroup UberSlider Ultra: through 2.3

References

https://patchstack.com/database/Wordpress/Plugin/uberSlider_ultra/vulnerability/wordpress-uberslider-ultra-plugin-2-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Get alerted when CVE-2026-28099 or the next vulnerability affects your stack