UpHeron
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Servers and applications

CVE-2017-18882

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS can occur via OpenGraph data.

Severity
Medium 6.1
Published
19 Jun 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.1.2, 4.2.1
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version before 4.1.2
  • From 4.2.0 before 4.2.1
  • Version 4.3.0-rc1
  • Version 4.3.0-rc2
  • Version 4.3.0-rc3
  • Version 4.3.0-rc4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-18882
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-18882