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  5. CVE-2019-19576

CVE-2019-19576: Remote code execution in verot/class.upload.php

January 16, 2020 (updated July 21, 2026)

class.upload.php in verot.net class.upload before 1.0.3 and 2.x before 2.0.4, as used in the K2 extension for Joomla! and other products, omits .phar from the set of dangerous file extensions.

References

  • github.com/advisories/GHSA-r5gm-4p5w-pq2p
  • github.com/getk2/k2/commit/d1344706c4b74c2ae7659b286b5a066117155124
  • github.com/jra89/CVE-2019-19576
  • github.com/verot/class.upload.php/commit/5a7505ddec956fdc9e9c071ae5089865559174f1
  • github.com/verot/class.upload.php/commit/db1b4fe50c1754696970d8b437f07e7b94a7ebf2
  • github.com/verot/class.upload.php/compare/1.0.2...1.0.3
  • github.com/verot/class.upload.php/compare/2.0.3...2.0.4
  • medium.com/%40jra8908/cve-2019-19576-e9da712b779
  • medium.com/@jra8908/cve-2019-19576-e9da712b779
  • nvd.nist.gov/vuln/detail/CVE-2019-19576
  • www.verot.net/
  • www.verot.net/php_class_upload.htm

Code Behaviors & Features

Detect and mitigate CVE-2019-19576 with GitLab Dependency Scanning

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Affected versions

All versions before 1.0.3, all versions starting from 2.0.0 before 2.0.4

Fixed versions

  • 1.0.3
  • 2.0.4

Solution

Upgrade to versions 1.0.3, 2.0.4 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-434: Unrestricted Upload of File with Dangerous Type

Source file

packagist/verot/class.upload.php/CVE-2019-19576.yml

Spotted a mistake? Edit the file on GitLab.

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