CVE-2025-54525 — Improper Validation of Specified Type of Input in Confluence Plugin

CWE-1287 — Improper Validation of Specified Type of Input5 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.1%
top 70.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mattermost Confluence PluginGithub.com Mattermost Mattermost-plugin-confluenceMattermost Confluence
Timeline
PublishedAug 11
Latest updateAug 18

Description

Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to create channel subscription endpoint with an invalid request body.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

🔴Vulnerability Details

4
OSV
Mattermost Confluence Plugin has Improper Validation of Specified Type of Input in github.com/mattermost/mattermost-plugin-confluence↗2025-08-18
▶
CVEList
Unexpected input to Create Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin↗2025-08-11
▶
GHSA
Mattermost Confluence Plugin has Improper Validation of Specified Type of Input↗2025-08-11
▶
OSV
Mattermost Confluence Plugin has Improper Validation of Specified Type of Input↗2025-08-11
▶
CVE-2025-54525 — Confluence Plugin vulnerability | cvebase