CVE-2017-18907

Aliases:GHSA-42x9-rr3c-gr59GO-2026-4459
Advisory lineage Upstream: 0 Downstream: 1
Modified
Published: 19 Jun 2020, 19:19
Last modified:05 Aug 2024, 21:37

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
6.1 MEDIUM
v3.1 (nvd)
EPSS Score
0.36% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

19 Jun 2020, 19:19
Published
Vulnerability first disclosed
05 Aug 2024, 21:37
Last Modified
Vulnerability information updated

Description

An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. XSS could occur via a channel header.

CVSS Metrics

  • v3.1MEDIUMScore: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • v2.0MEDIUMScore: 4.3AV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 0.36% Percentile: 58%

Techniques & Countermeasures

  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

    The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Affected Systems

  • github.com/mattermostmattermost-server

    < 3.9.2-0.20170714014920-312269ad0bd1 | ≥ 3.10.0, < 3.10.2 | ≥ 3.10.0+incompatible, < 3.10.2+incompatible

  • mattermostmattermost_server

    < 3.9.2 | ≥ 3.10.0, < 3.10.2

References (8)