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MattermostCVELIST:CVE-2022-1002

HistoryMar 18, 2022 - 6:00 p.m.

CVE-2022-1002 HTML Injection while inviting Guests

2022-03-1818:00:22

CWE-80

Mattermost

www.cve.org

2 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N

5.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

24.8%

JSON

Mattermost 6.3.0 and earlier fails to properly sanitize the HTML content in the email invitation sent to guest users, which allows registered users with special permissions to invite guest users to inject unescaped HTML content in the email invitations.

CNA Affected

[
  {
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "6.3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

hackerone.com/reports/1443567

mattermost.com/security-updates/

2 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N

5.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

24.8%

JSON

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