Description
Atlassian Confluence starting with 4.3.0 before 6.2.1 did not check if a user had permission to view a page when creating a workbox notification about new comments. An attacker who can login to Confluence could receive workbox notifications, which contain the content of comments, for comments added to a page after they started watching it even if they do not have permission to view the page itself.
Remediation
References
Related Vulnerabilities
IBM WebSEAL Insertion of Sensitive Information into Log File Vulnerability (CVE-2017-1480)
PHP Improper Input Validation Vulnerability (CVE-2007-3998)
ownCloud Improper Input Validation Vulnerability (CVE-2015-7699)
MediaWiki Incorrect Permission Assignment for Critical Resource Vulnerability (CVE-2023-45369)