CVE-2023-1421: Reflected XSS in OAuth flow completion endpoints
3.5
CVSS
Description
A reflected cross-site scripting vulnerability in the OAuth flow completion endpoints in Mattermost allows an attacker to send AJAX requests on behalf of the victim via sharing a crafted link with a malicious state parameter.
Classification
CVE ID: CVE-2023-1421
CVSS Base Severity: LOW
CVSS Base Score: 3.5
Affected Products
Vendor: Mattermost
Product: Mattermost
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.07% (probability of being exploited)
EPSS Percentile: 34.14% (scored less or equal to compared to others)
EPSS Date: 2025-02-03 (when was this score calculated)