CVE-2023-1776
HIGHMattermost Server < 7.1.6, 7.7.0-7.7.2 - Stored Cross-Site Scripting via SVG Image Upload
Title source: llmDescription
Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.
References (1)
Core 1
Core References
Vendor Advisory
https://mattermost.com/security-updates/
Scores
CVSS v3
7.3
EPSS
0.0071
EPSS Percentile
72.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-79
Status
published
Products (5)
mattermost/mattermost-server
5.0.0 - 7.1.6Go
mattermost/mattermost-server
6.0.0 - 7.1.6Go
mattermost/mattermost-server
7.7.0 - 7.7.2Go
mattermost/mattermost_server
7.7.1
mattermost/mattermost_server
< 7.1.6
Published
Mar 31, 2023
Tracked Since
Feb 18, 2026