CVE-2025-53514

CWE-7545 documents4 sources

Severity

5.9MEDIUM

EPSS

0.1%

top 84.41%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Mattermost Mattermost Confluence Plugin Github.com Mattermost/mattermost-plugin-confluence Mattermost 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 server webhook endpoint with an invalid request body.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5mattermost/mattermost_confluence_plugin< 1.5.0

▶Gogithub.com/mattermost/mattermost-plugin-confluence< 1.5.0

▶NVDmattermost/confluence< 1.5.0

🔴Vulnerability Details

OSV

Mattermost Confluence Plugin has Improper Check for Unusual or Exceptional Conditions in github.com/mattermost/mattermost-plugin-confluence↗2025-08-18

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GHSA

Mattermost Confluence Plugin has Improper Check for Unusual or Exceptional Conditions↗2025-08-11

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OSV

Mattermost Confluence Plugin has Improper Check for Unusual or Exceptional Conditions↗2025-08-11

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CVEList

Unexpected Input to Server Webhook endpoint Causes DoS in Mattermost Confluence Plugin↗2025-08-11

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