Headline
GHSA-w53m-gxvg-vx7p: Contao can disclose sensitive information in the news module
Impact
If a news feed contains protected news archives, their news items are not filtered and become publicly available in the RSS feed.
Patches
Update to Contao 5.3.38 or 5.6.1.
Workarounds
Do not add protected news archives to the news feed page.
For more information
If you have any questions or comments about this advisory, open an issue in contao/contao.
Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.