CVE-2023-1776: Stored XSS via SVG attachment on Boards
7.3
CVSS
Description
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.
Classification
CVE ID: CVE-2023-1776
CVSS Base Severity: HIGH
CVSS Base Score: 7.3
Affected Products
Vendor: Mattermost
Product: Mattermost
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.05% (probability of being exploited)
EPSS Percentile: 20.78% (scored less or equal to compared to others)
EPSS Date: 2025-02-03 (when was this score calculated)