CVE-2023-22503: Atlassian Confluence Data Center

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Affected versions of Atlassian Confluence Server and Data Center allow anonymous remote attackers to view the names of attachments and labels in a private Confluence space. This occurs via an Information Disclosure vulnerability in the macro preview feature. This vulnerability was reported by Rojan Rijal of the Tinder Security Engineering team. The affected versions are before version 7.13.15, from version 7.14.0 before 7.19.7, and from version 7.20.0 before 8.2.0.

Affected products

  • Atlassian Confluence Data Center: before 7.13.15 (fixed in 7.13.15); from 7.14.0, before 7.19.7 (fixed in 7.19.7); from 7.20.0, before 8.2.0 (fixed in 8.2.0)
  • Atlassian Confluence Server: before 7.13.15 (fixed in 7.13.15); from 7.14.0, before 7.19.7 (fixed in 7.19.7); from 7.20.0, before 8.2.0 (fixed in 8.2.0)

Published 2023-05-01. Last modified 2026-06-17.