Vulnerability Database

315,050

Total vulnerabilities in the database

CVE-2023-5522

Mattermost Mobile fails to limit the maximum number of Markdown elements in a post allowing an attacker to send a post with hundreds of emojis to a channel and freeze the mobile app of users when viewing that particular channel. 

  • Published: Oct 17, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-5522
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWEs:

Software From Fixed in
mattermost / mattermost - 2.8.0