What’s Vulnerable › Vulnerabilities

CVE-2023-40626: [20231101] - Core - Exposure of environment variables

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-29 · updated 2026-06-17

Description

The language file parsing process could be manipulated to expose environment variables. Environment variables might contain sensible information.

Affected products

• Joomla!: from 1.6.0 before 3.10.14; from 4.0.0 before 4.4.1; 5.0.0 — fixed in 3.10.14, 4.4.1

How to fix

Upgrade to a fixed version: Joomla! 3.10.14, 4.4.1. Check the vendor advisory for mitigations.

References

• https://developer.joomla.org/security-centre/919-20231101-core-exposure-of-environment-variables.html
• https://developer.joomla.org/security-centre/919-20231101-core-exposure-of-environment-variables.html

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