Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-62690— Open redirect in error page when link opened in new tab

Quick assessment

Affected
Mattermost Mattermost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 10.11.4及之前的10.11.x版本存在安全漏洞，该漏洞源于未验证/error页面的重定向URL，可能导致将受害者重定向至恶意站点。

CVSS 3.1 · Low EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-62690

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Open redirect in error page when link opened in new tab
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost versions 10.11.x <= 10.11.4 fail to validate redirect URLs on the /error page, which allows an attacker to redirect a victim to a malicious site via a crafted link opened in a new tab.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 10.11.4及之前的10.11.x版本存在安全漏洞，该漏洞源于未验证/error页面的重定向URL，可能导致将受害者重定向至恶意站点。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Mattermost Mattermost 10.11.0 ~ 10.11.4 -

II. Public POCs for CVE-2025-62690

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-62690

请登录查看更多情报信息。

Same Patch Batch · Mattermost · 2025-12-17 · 7 CVEs total

CVE-2025-12689 6.5 MEDIUM DoS in Calls plugin via malformed UTF-8 in WebSocket request
CVE-2025-62190 4.3 MEDIUM CSRF Allows Call Initiation and Message Delivery
CVE-2025-13326 3.9 LOW Mattermost Desktop App fails to enable Hardened Runtime when packaged for Mac App Store
CVE-2025-13324 3.7 LOW Lack of Invalidation of Legacy Remote Cluster Invite Tokens After Confirmation
CVE-2025-13321 3.3 LOW Mattermost Desktop App logging sensitive information and fails to clear data on server del
CVE-2025-13352 3.0 LOW Mattermost GitHub Plugin allows unauthorized GitHub reactions via reaction forwarding hija

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-601

V. Comments for CVE-2025-62690

No comments yet

Leave a comment