CVE-2017-18893

Aliases:GHSA-887v-xh2x-47cmGO-2026-4296
Advisory lineage Upstream: 0 Downstream: 1
Modified
Published: 19 Jun 2020, 18:10
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, 18:10
Published
Vulnerability first disclosed
05 Aug 2024, 21:37
Last Modified
Vulnerability information updated

Description

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. Display names allow XSS.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • v2.0•MEDIUM•Score: 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-79•Improper 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/mattermost•mattermost-server

    ≥ 4.2.0-rc1+incompatible, < 4.2.0+incompatible | < 4.0.5 | ≥ 4.1.0, < 4.1.1 | ≥ 4.2.0-rc1, < 4.2.0

  • mattermost•mattermost_server

    < 4.0.5 | ≥ 4.1.0, < 4.1.1 | 4.2.0:rc1 | 4.2.0:rc2 | 4.2.0:rc3 | 4.2.0:rc4

References (8)