Vulnerability · Published Dec 29, 2023 · Assigned by Mattermost

CVE-2023-7113

Low 3.7

In plain English

A low-severity cross-site scripting in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.3%top 77.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/mattermost/mattermost-serverno fix listedGO-2024-2446
Gogithub.com/mattermost/mattermost-server/v5no fix listedGO-2024-2446
Gogithub.com/mattermost/mattermost-server/v6no fix listedGO-2024-2446
Gogithub.com/mattermost/mattermost/server/v88.1.7GHSA-h3gq-j7p9-x3p4
Gogithub.com/mattermost/mattermost/server/v8no fix listedGO-2024-2446

Affected products (as reported)

VendorProductVersions
Mattermost Mattermost 0 – through 8.1.60 – through 9.2.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

References