PT-2023-32882 · Mattermost · Mattermost

Juho Nurminen · Published 2023-12-29 · Updated 2024-06-28 · CVE-2023-7113

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost versions prior to 8.1.7

Description The issue is related to the failure to sanitize channel mention data in posts, allowing an attacker to inject markup in the web client. This can lead to a Cross-site Scripting vulnerability.

Recommendations For versions prior to 8.1.7, update to version 8.1.7 or later to resolve the issue. As a temporary workaround, consider restricting the use of channel mentions in posts until a patch is available.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BIT-MATTERMOST-2023-7113

CVE-2023-7113

GHSA-H3GQ-J7P9-X3P4

GO-2024-2446

Affected Products

Mattermost

References · 11

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mattermost-2023-7113 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-7113 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-7113 · Security Note
• https://osv.dev/vulnerability/GHSA-h3gq-j7p9-x3p4 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2024-2446 · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://twitter.com/CVEnew/status/1740723813099377062 · Twitter Post
• https://t.me/cibsecurity/73978 · Telegram Post
• https://github.com/advisories/GHSA-h3gq-j7p9-x3p4 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-7113 · Note