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7.1

Quick Event Manager allows unauthenticated XSS

CVE-2026-84848 · published 2 months ago
Summary

The Quick Event Manager plugin (versions up to 9.17) lets anyone inject malicious code into web pages without logging in. This can let attackers run scripts in visitors' browsers, potentially stealing data or altering page content. Update the plugin to a newer version or apply the vendor's security patch to stop the risk.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
brightvesseldev quick event manager <= 9.17
Original advisory text
Unauthenticated Cross Site Scripting (XSS) in Quick Event Manager <= 9.17 versions.
Unauthenticated Cross Site Scripting (XSS) in Quick Event Manager <= 9.17 versions.
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
7.1 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published3 Sep 2026
Updated29 Oct 2026
First seen3 Sep 2026
Sources
CVE-2026-84848 · NVD
CVE-2026-84848 · MITRE
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