What’s Vulnerable › Vulnerabilities

CVE-2019-7743

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-02-12 · updated 2026-06-17
• Weakness: CWE-502

Description

An issue was discovered in Joomla! before 3.9.3. The phar:// stream wrapper can be used for objection 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 products

• Joomla!: from 2.5.0 through 3.9.2

References

• http://www.securityfocus.com/bid/107050
• https://developer.joomla.org/security-centre/770-20190206-core-implement-the-typo3-phar-stream-wrapper
• http://www.securityfocus.com/bid/107050
• https://developer.joomla.org/security-centre/770-20190206-core-implement-the-typo3-phar-stream-wrapper

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