PT-2025-32578 · WordPress · Mattermost Confluence Plugin

Lorenzo Gallegos · Published 2025-08-11 · Updated 2025-08-20 · CVE-2025-53857

Positive Technologies (AI Summary)

CVSS v3.1

3.7

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions: Mattermost Confluence Plugin versions prior to 1.5.0

Description: The Mattermost Confluence Plugin does not verify user access to channels, potentially allowing unauthorized access to channel subscription details. This occurs through an API call to the GET /autocomplete/GetChannelSubscriptions endpoint.

Recommendations: Update Mattermost Confluence Plugin to version 1.5.0 or later.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2025-53857

GHSA-42M6-5VM7-FJV2

GO-2025-3864

OPENSUSE-SU-2025:15469-1

Affected Products

Mattermost Confluence Plugin

References · 29

• https://osv.dev/vulnerability/openSUSE-SU-2025:15469-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-53857 · Security Note
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/GO-2025-3864 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-53857 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-42m6-5vm7-fjv2 · Vendor Advisory
• https://github.com/mattermost/mattermost-plugin-confluence · Note
• https://suse.com/security/cve/CVE-2025-52931 · Note
• https://suse.com/security/cve/CVE-2025-55196 · Note
• https://suse.com/security/cve/CVE-2025-55198 · Note
• https://suse.com/security/cve/CVE-2025-54525 · Note
• https://suse.com/security/cve/CVE-2025-54478 · Note
• https://suse.com/security/cve/CVE-2025-54458 · Note
• https://github.com/advisories/GHSA-42m6-5vm7-fjv2 · Note
• https://suse.com/security/cve/CVE-2025-50946 · Note