PT-2023-17236 · Unknown · Mattermost

Veshraj Ghimire · Published 2023-03-31 · Updated 2024-03-06 · CVE-2023-1776

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Mattermost (affected versions not specified)

Description The issue 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BIT-MATTERMOST-2023-1776

CVE-2023-1776

GHSA-63F2-6959-2PXJ

Affected Products

Mattermost

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2023-1776 · Security Note
• https://osv.dev/vulnerability/BIT-mattermost-2023-1776 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-63f2-6959-2pxj · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-1776 · Vendor Advisory
• https://github.com/mattermost/mattermost-server · Note
• https://t.me/cvenotify/47227 · Telegram Post
• https://t.me/cibsecurity/61247 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1776 · Note