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  5. CVE-2023-1776

CVE-2023-1776: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

March 31, 2023 (updated April 7, 2023)

Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.

References

  • github.com/advisories/GHSA-63f2-6959-2pxj
  • mattermost.com/security-updates/
  • nvd.nist.gov/vuln/detail/CVE-2023-1776

Code Behaviors & Features

Detect and mitigate CVE-2023-1776 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions starting from 3.3.0 up to 4.10.10, all versions starting from 6.0.0 up to 6.7.2

Fixed versions

  • 7.1.6

Solution

Upgrade to version 7.1.6 or above.

Impact 5.4 MEDIUM

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

Learn more about CVSS

Weakness

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

Source file

go/github.com/mattermost/mattermost-server/v6/CVE-2023-1776.yml

Spotted a mistake? Edit the file on GitLab.

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