CVE-2019-19576
Remote code execution in verot/class.upload.php
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-19576- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-19576- Updated
- 2026-11-02
EUVDEUVD-2020-0275 No score
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.
- Record
EUVD-2020-0275- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r5gm-4p5w-pq2p
Remote code execution in verot/class.upload.php
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.
- Record
GHSA-r5gm-4p5w-pq2p- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2019-19576- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-r5gm-4p5w-pq2p
Remote code execution in verot/class.upload.php
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.
- Record
GHSA-r5gm-4p5w-pq2p- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
verot/class.upload.phpPackagist |
before 1.0.3 | 1.0.3 |
verot/class.upload.phpPackagist |
2.0.0 up to 2.0.4 | 2.0.4 |
verot/class.upload.phpPackagist |
before 1.0.3, plus listed versions 1.0.01.0.11.0.2 |
1.0.3 |
verot/class.upload.phpPackagist |
2.0.0 up to 2.0.4, plus listed versions 2.0.12.0.22.0.3 |
2.0.4 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Verot 2.0.3 - Remote Code Execution | 2019-12-06 |
| PoC in GitHub | jra89/CVE-2019-19576 | 2019-12-04 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-19576 is a critical vulnerability (CVSS 9.8) in Joomlaworks K2, published December 4, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 26.4%, the 98th percentile. Fixed in verot/class.upload.php 1.0.3.
References
verot.net/php_class_upload.htm
github.com/verot/class.upload.php/compare/2.0.3...2.0.4
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medium.com/%40jra8908/cve-2019-19576-e9da712b779
packetstormsecurity.com/files/155577/Verot-2.0.3-Remote-Code-Execution.html
nvd.nist.gov/vuln/detail/CVE-2019-19576