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CVE-2025-26525: Moodle has an arbitrary file read risk through pdfTeX

February 24, 2025

Insufficient sanitizing in the TeX notation filter resulted in an arbitrary file read risk on sites where pdfTeX is available (such as those with TeX Live installed).

References

  • git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84136
  • github.com/advisories/GHSA-4hmr-39vp-xfrr
  • github.com/moodle/moodle
  • moodle.org/mod/forum/discuss.php?d=466141
  • nvd.nist.gov/vuln/detail/CVE-2025-26525

Code Behaviors & Features

Detect and mitigate CVE-2025-26525 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 4.1.16, all versions starting from 4.3.0-beta before 4.3.10, all versions starting from 4.4.0-beta before 4.4.6, all versions starting from 4.5.0-beta before 4.5.2

Fixed versions

  • 4.5.2
  • 4.4.6
  • 4.3.10
  • 4.1.16

Solution

Upgrade to versions 4.1.16, 4.3.10, 4.4.6, 4.5.2 or above.

Impact 8.6 HIGH

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

Learn more about CVSS

Weakness

  • CWE-552: Files or Directories Accessible to External Parties

Source file

packagist/moodle/moodle/CVE-2025-26525.yml

Spotted a mistake? Edit the file on GitLab.

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