CVE-2023-1776 describes a cross-site scripting (XSS) vulnerability in Mattermost Boards, affecting Mattermost Server. An authenticated attacker can upload a malicious SVG image to a card and share a direct link, leading to client-side script execution. This medium-severity vulnerability (CVSS 5.4) requires user interaction and has low impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.1.6CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
7.7.1CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:7.7.1:*:*:*:*:*:*:* | ||
>= 3.3.0, < 7.8.0CPE match | cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:* | ||
>= 3.3.0, <= 7.1.5CPE match | cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:* | ||
>= 3.3.0, <= 7.7.1CPE match | cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.