CVE-2017-18914

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. An external link can occur on an error page even if it is not on an allowlist.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 19, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2017

CVE-2017-189159.8An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. After a restart of a server, an attacker might suddenly gain APCVE-2017-189165.3An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. API endpoint access control does not honor an integration permiCVE-2017-189177.5An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. Weak hashing was used for e-mail invitations, OAuth, and e-mailCVE-2017-189184.9An issue was discovered in Mattermost Server before 3.7.3 and 3.6.5. A System Administrator can place a SAML certificate at an arbitrary patCVE-2017-189195.3An issue was discovered in Mattermost Server before 3.7.0 and 3.6.3. Attackers can use the API for unauthenticated team creation.CVE-2017-189209.8An issue was discovered in Mattermost Server before 3.6.2. The WebSocket feature does not follow the Same Origin Policy.CVE-2017-189216.1An issue was discovered in Mattermost Server before 3.6.0 and 3.5.2. XSS can occur via a link on an error page.CVE-2017-189229.8It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker cCVE-2017-189237.5beroNet VoIP Gateways before 3.0.16 have a PHP script that allows downloading arbitrary files, including ones with credentials.CVE-2017-189247.5oauth2-server (aka node-oauth2-server) through 3.1.1 implements OAuth 2.0 without PKCE. It does not prevent authorization code injection. ThCVE-2017-189255.5opentmpfiles through 0.3.1 allows local users to take ownership of arbitrary files because d entries are mishandled and allow a symlink attaCVE-2017-189267.1raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF Syntax Library 2.0.15 miscalculates the maximum nspace declarati
CVE-2017-18914: Medium severity, CVSS 5.3 | Vulnix