Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent an invalid URL from loading in a pop-up window in the Mattermost Desktop App which allows a malicious server owner to repeated crash the application via calling {{window.open('javascript:alert()');}}. Mattermost Advisory ID: MMSA-2026-00618
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.4.13.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:* | ||
>= 6.0.0, <= 6.0.1CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:* | ||
>= 6.1.0, < 6.2.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:* | ||
>= 0, <= 5.4.13CPE match | cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:* | ||
>= 0, <= 6.0.1CPE match | cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.