CVE-2026-84848
Deferred Deferred - Pending Action

Unauthenticated XSS in Quick Event Manager <= 9.17

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: Patchstack

Description
Unauthenticated Cross Site Scripting (XSS) in Quick Event Manager <= 9.17 versions.

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Meta Information

Published
2026-09-03
Last Modified
2026-09-03
Generated
2026-09-03
AI Q&A
2026-09-03
EPSS Evaluated
N/A
NVD
CVE-2026-84848
EUVD
EUVD-2026-70566

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
patchstack quick_event_manager to 9.17 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability affecting Quick Event Manager versions 9.17 and below. It allows attackers to inject malicious scripts into web pages viewed by other users without needing authentication.

Detection Guidance

Detecting this XSS vulnerability requires checking if the Quick Event Manager plugin version 9.17 or below is installed. Inspect WordPress installations for the plugin and verify its version. No specific commands are provided in the resources, but monitoring for unusual script injections or malicious activity in web traffic may help identify exploitation attempts.

Impact Analysis

An attacker could steal user sessions, deface websites, or redirect users to malicious sites. Users with sensitive data in the application could have their information exposed or compromised through this attack.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations may face fines or penalties for failing to protect user data adequately.

Mitigation Strategies

Update Quick Event Manager to the latest version (greater than 9.17) to patch the XSS vulnerability. If an update is not available, consider disabling or removing the plugin until a fix is released.

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