CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Lifecycle Timeline
3Tags
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in UpSolution UpSolution Core us-core allows Reflected XSS.This issue affects UpSolution Core: from n/a through <= 8.41.
Analysis
A Reflected Cross-Site Scripting (XSS) vulnerability exists in UpSolution Core plugin versions through 8.41, allowing attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects the UpSolution Core WordPress plugin (CPE: cpe:2.3:a:upsolution:upsolution_core), enabling attackers to steal session tokens, perform actions on behalf of users, or redirect users to malicious sites through crafted URLs. …
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Verify anti-CSRF tokens and content security policies are enforced.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-15604
GHSA-jjpq-g8xj-hcf8