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6.5

Nexcess WPComplete Stored Cross-site Scripting Risk

CVE-2026-42750 · published 5 months ago
Summary

A stored cross-site scripting (XSS) vulnerability exists in Nexcess WPComplete, which allows attackers to inject malicious code into websites using WPComplete. This could potentially allow attackers to steal user data or take control of affected websites. Users should update WPComplete to a version higher than 2.9.5.4 to mitigate this risk.

Original advisory text
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nexcess WPComplete wpcomplete allows Stored XSS.This issue affects WPComplete: from n/a through...
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nexcess WPComplete wpcomplete allows Stored XSS.This issue affects WPComplete: from n/a through <= 2.9.5.4.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published27 May 2026
Updated26 Oct 2026
First seen27 May 2026
Sources
CVE-2026-42750 · NVD
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