CVE-2023-22504

6.5 mediumEPSS 0.7%

Medium (6.5) in atlassian confluence server. EPSS 0.7% chance of exploitation in the next 30 days.

Affected versions of Atlassian Confluence Server allow remote attackers who have read permissions to a page, but not write permissions, to upload attachments via a Broken Access Control vulnerability in the attachments feature.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2023-05-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

atlassian:confluence_server

References

https://jira.atlassian.com/browse/CONFSERVER-83218
https://jira.atlassian.com/browse/CONFSERVER-83218

Check your stack JSON