Joomla! Object Injection Vulnerability
An issue was discovered in Joomla! before 3.9.3. The phar:// stream wrapper can be used for object injection attacks because there is no protection mechanism (such as the TYPO3 PHAR stream wrapper) to prevent use of the phar:// handler for non .phar-files.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | joomla/joomla-cms | >= 2.5.0, < 3.9.3 | 3.9.3 |
| Joomla (core) | joomla/joomla-cms | >= 2.5.0, < 3.9.3 | 3.9.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-7743
- https://github.com/joomla/joomla-cms/issues/23907
- https://developer.joomla.org/security-centre/770-20190206-core-implement-the-typo3-phar-stream-wrapper
- https://github.com/joomla/joomla-cms
- https://web.archive.org/web/20210730211655/https://www.securityfocus.com/bid/107050
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-502- Platform
- Composer, Joomla
- Package
joomla/joomla-cms- Disclosed
- 13.05.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-5m3w-rvvh-8fx6 - CC BY 4.0
Vulnerability history: joomla/joomla-cms
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 8
- First → latest
- 05.2022 04.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
- Medium 4
- Low 2
Disclosures per year
- 2022: 7
- 2023: 0
- 2024: 0
- 2025: 1
- 2026: 0
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Joomla! Object Injection Vulnerability this entry
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