CVE-2026-39535
Missing Authorization in Display Eventbrite Events Widget Allows Unauthorized Access
Publication date: 2026-04-08
Last updated on: 2026-04-29
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fullworks | display_eventbrite_events | to 6.5.6 (inc) |
| fullworks | widget-for-eventbrite-api | to 6.5.6 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-39535 is a Broken Access Control vulnerability in the WordPress Display Eventbrite Events Plugin versions up to and including 6.5.6. It involves missing authorization, authentication, or nonce token checks that allow unauthenticated users to perform actions that normally require higher privileges.
This means that attackers can exploit incorrectly configured access control security levels to gain unauthorized access or perform unauthorized actions within the plugin.
The vulnerability is classified as low severity with a CVSS score of 5.3 and is fixed in version 6.5.7 of the plugin.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The CVE-2026-39535 vulnerability is a broken access control issue that allows unauthorized users to perform actions requiring higher privileges. Such unauthorized access can potentially lead to exposure or manipulation of sensitive data.
While the provided information does not explicitly mention compliance with standards like GDPR or HIPAA, broken access control vulnerabilities generally pose risks to data confidentiality and integrity, which are critical aspects of these regulations.
Therefore, if exploited, this vulnerability could negatively impact compliance with data protection regulations by enabling unauthorized access to protected information.
How can this vulnerability impact me? :
This vulnerability allows unauthorized users to escalate privileges or perform actions without proper authorization in the affected WordPress plugin.
While the severity is considered low, it could be exploited in mass-exploit campaigns affecting many websites regardless of their traffic or popularity.
If exploited, it could lead to unauthorized changes or access within the website using the Display Eventbrite Events plugin, potentially compromising site integrity or user trust.
Users are strongly advised to update to version 6.5.7 or later to mitigate this risk.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability involves missing authorization checks in the Display Eventbrite Events WordPress plugin up to version 6.5.6, allowing unauthorized privilege escalation.
Detection typically involves verifying the plugin version installed on your WordPress site and checking for unauthorized access attempts or privilege escalations related to the plugin.
Specific commands to detect this vulnerability are not provided in the available resources.
What immediate steps should I take to mitigate this vulnerability?
The primary mitigation step is to update the Display Eventbrite Events WordPress plugin to version 6.5.7 or later, where the vulnerability is patched.
Additionally, consider enabling auto-updates for the plugin if supported, to ensure timely application of security patches.