Is CVE-2025-54525 actively exploited?

CVE-2025-54525 has no public evidence of in-the-wild exploitation as of 2025-09-24.

What is the CVSS score for CVE-2025-54525?

CVE-2025-54525 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2025-54525?

Patch guidance is available from mattermost security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-54525.

Which products are affected by CVE-2025-54525?

1 product: mattermost confluence.

Fix CVE-2025-54525 - HIGH mattermost confluence

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-1287

Metadata

Primary Vendor: MATTERMOST
Published: 8/11/2025
Last Modified: 9/24/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mattermost : confluence

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-54525. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-54525

View on NIST NVD

CVE-2025-54525 vulnerability