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CVE-2023-1777: Information disclosure in linked message previews

6.5 CVSS

Description

Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.

Classification

CVE ID: CVE-2023-1777

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.5

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)

References

https://mattermost.com/security-updates/

Timeline