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CVE-2024-8291: Cross site scripting in Concrete CMS

September 25, 2024 (updated January 21, 2025)

Concrete CMS versions 9.0.0 to 9.3.3 and below 8.5.19 are vulnerable to Stored XSS in Image Editor Background Color.  A rogue admin could add malicious code to the Thumbnails/Add-Type.

References

  • documentation.concretecms.org/9-x/developers/introduction/version-history/934-release-notes
  • documentation.concretecms.org/developers/introduction/version-history/8519-release-notes
  • github.com/advisories/GHSA-q7qr-22qw-pqgx
  • github.com/concretecms/concretecms
  • github.com/concretecms/concretecms/commit/d97b43b8dd0b5578b41d2ffb5b2186a44c2c772c
  • github.com/concretecms/concretecms/commit/dbce253166f6b10ff3e0c09e50fd395370b8b065
  • github.com/concretecms/concretecms/pull/12183
  • nvd.nist.gov/vuln/detail/CVE-2024-8291

Code Behaviors & Features

Detect and mitigate CVE-2024-8291 with GitLab Dependency Scanning

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Affected versions

All versions before 8.5.19, all versions starting from 9.0.0 before 9.3.4

Fixed versions

  • 9.3.4
  • 8.5.19

Solution

Upgrade to versions 8.5.19, 9.3.4 or above.

Impact 4.8 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

packagist/concrete5/concrete5/CVE-2024-8291.yml

Spotted a mistake? Edit the file on GitLab.

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