What’s Vulnerable › Vulnerabilities

CVE-2019-7740

• Severity: medium (CVSS 6.1 v3.0)
• 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: 2019-02-12 · updated 2026-06-17
• Weakness: CWE-79

Description

An issue was discovered in Joomla! before 3.9.3. Inadequate parameter handling in JavaScript code (core.js writeDynaList) could lead to an XSS attack vector.

Affected products

• Joomla!: from 2.5.0 through 3.9.2

References

• https://developer.joomla.org/security-centre/769-20190205-core-xss-issue-in-core-js-writedynalist
• https://developer.joomla.org/security-centre/769-20190205-core-xss-issue-in-core-js-writedynalist

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