CVE-2025-8023

MediumCVSS 4.9/10Last modified Jun 17, 2026

Description

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2 fails to sanitize path traversal sequences in template file destination paths, which allows a system admin to perform path traversal attacks via malicious path components, potentially enabling malicious file placement outside intended directories.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 21, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2025

CVE-2025-80259.8Missing Authentication for Critical Function, Improper Access Control vulnerability in Dinosoft Business Solutions Dinosoft ERP allows AccesCVE-2025-80276.5On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 6CVE-2025-80289.8On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation CVE-2025-80298.1Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128CVE-2025-80308.1Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerabiCVE-2025-80319.8The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. CVE-2025-80328.1XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability was fixed in Firefox 141, FCVE-2025-80336.5The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulneraCVE-2025-80348.8Memory safety bugs present in Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, FireCVE-2025-80358.8Memory safety bugs present in Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and ThunderbCVE-2025-80368.1Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerabilitCVE-2025-80379.1Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the sha
CVE-2025-8023: Medium severity, CVSS 4.9 | Vulnix