CVE-2023-22504

Name: CVE-2023-22504
Creator: NVD / NIST
Published: 2023-05-25T14:15:09.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2023-22504 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Atlassian	Confluence Server	< 7.13.17
Atlassian	Confluence Server	>= 7.14.0, < 7.19.9
Atlassian	Confluence Server	>= 7.20.0, < 8.2.2

References

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

Timeline

Published: May 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-22504?

How severe is CVE-2023-22504?

CVE-2023-22504 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22504?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-22504?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST