What’s Vulnerable › Vulnerabilities

CVE-2021-26034: [20210503] - Core - CSRF in data download endpoints

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-26 · updated 2026-06-17
• Weakness: CWE-352

Description

An issue was discovered in Joomla! 3.0.0 through 3.9.26. A missing token check causes a CSRF vulnerability in data download endpoints in com_banners and com_sysinfo.

Affected products

• Joomla!: from 3.0.0 through 3.9.26

References

• https://developer.joomla.org/security-centre/854-20210503-core-csrf-in-data-download-endpoints.html
• https://developer.joomla.org/security-centre/854-20210503-core-csrf-in-data-download-endpoints.html

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