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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWM4d2gtNmp3NC0yaDc5

Potential unauthorized access to stored request & session data when plugin is misconfigured in October CMS Debugbar


The debugbar contains a perhaps little known feature where it will log all requests (and all information pertaining to each request including session data) whenever it is enabled. This presents a problem if the plugin is ever enabled on a system that is open to untrusted users as the potential exists for them to use this feature to view all requests being made to the application and obtain sensitive information from those requests. There even exists the potential for account takeovers of authenticated users by non-authenticated public users, which would then lead to a number of other potential issues as an attacker could theoretically get full access to the system if the required conditions existed.


Issue has been patched in v3.1.0 by locking down access to the debugbar to all users; it now requires an authenticated backend user with a specifically enabled permission before it is even usable, and the feature that allows access to stored request information is restricted behind a different permission that's more restrictive.


Apply to your installation manually if unable to upgrade to v3.1.0.

For more information

If you have any questions or comments about this advisory:


Thanks to Freddie Poser for reporting the issue to the RainLab team.

Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 4 years ago
Updated: over 1 year ago

CVSS Score: 6.1
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N

Identifiers: GHSA-c8wh-6jw4-2h79, CVE-2020-11094
References: Repository:
Blast Radius: 0.0

Affected Packages

Dependent packages: 0
Dependent repositories: 1
Downloads: 46,746 total
Affected Version Ranges: < 3.1.0
Fixed in: 3.1.0
All affected versions: 1.0.5, 1.0.6, 1.0.8, 2.0.0, 3.0.0, 3.0.1
All unaffected versions: 3.1.0, 3.1.1, 3.2.0, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5, 3.3.6