CVE-2017-18892
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. E-mail templates can have a field in which HTML content is not neutralized.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <4.0.5 | |
| Mattermost | >=4.1.0<4.1.1 | |
| Mattermost | =4.2.0-rc1 | |
| Mattermost | =4.2.0-rc2 | |
| Mattermost | =4.2.0-rc3 | |
| Mattermost | =4.2.0-rc4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-18892?
CVE-2017-18892 is classified as a medium-severity vulnerability due to its potential for HTML injection in email templates.
How do I fix CVE-2017-18892?
You can fix CVE-2017-18892 by upgrading Mattermost Server to version 4.2.0 or later, or the appropriate patched version.
What versions of Mattermost Server are affected by CVE-2017-18892?
CVE-2017-18892 affects Mattermost Server versions before 4.2.0, including 4.1.1 and 4.0.5.
What is the nature of the vulnerability in CVE-2017-18892?
CVE-2017-18892 involves the inability to neutralize HTML content within email templates, leading to potential XSS attacks.
Is there a workaround for CVE-2017-18892?
There are no official workarounds for CVE-2017-18892; updating to the fixed version is recommended.
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- version/mattermost/4.1.0
- version/mattermost/4.2.0-rc1
- version/mattermost/4.2.0-rc2
- version/mattermost/4.2.0-rc3
- version/mattermost/4.2.0-rc4