CVE-2026-77007
Received Received - Intake

HEL Online Classroom Plugin Unauthenticated Settings Exposure

Publication date: 2026-08-29

Last updated on: 2026-08-29

Assigner: WPScan

Description
The HEL Online Classroom: AI-powered Online Classrooms WordPress plugin through 1.0.3 does not perform any authorisation check on one of its REST API routes, allowing unauthenticated users to retrieve its stored settings, including the shared secret used to sign API requests to the connected BigBlueButton server.

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Meta Information

Published
2026-08-29
Last Modified
2026-08-29
Generated
2026-08-29
AI Q&A
2026-08-29
EPSS Evaluated
N/A
NVD
CVE-2026-77007
EUVD
EUVD-2026-68054

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
hel_online_classroom online_classroom to 1.0.3 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is in the HEL Online Classroom WordPress plugin (version 1.0.3 or earlier). It allows unauthenticated users to access a REST API endpoint without proper authorization checks. This lets them retrieve sensitive settings, including the shared secret used to sign API requests to a connected BigBlueButton server.

Detection Guidance

Check if the WordPress plugin HEL Online Classroom is installed and verify its version. If it is version 1.0.3 or earlier, the vulnerability may be present. Inspect network traffic for unauthorized access to REST API endpoints, particularly those related to plugin settings.

Impact Analysis

An attacker could exploit this to access confidential API credentials, potentially leading to unauthorized access to BigBlueButton sessions, data breaches, or manipulation of online classroom interactions. This could disrupt educational activities or expose sensitive information.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA due to unauthorized access to sensitive data. GDPR requires protecting personal data, while HIPAA mandates safeguarding health information. A breach could result in legal penalties or reputational damage.

Mitigation Strategies

Immediately update the HEL Online Classroom plugin to the latest version if an update is available. If no update exists, consider disabling the plugin until a patch is released. Review and restrict access to sensitive API endpoints and credentials, including the BigBlueButton shared secret.

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