CVE-2021-26034: [20210503] - Core - CSRF in data download endpoints
First published: Wed May 26 2021(Updated: )
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.
Credit: security@joomla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Joomla Joomla\! | >=3.0.0<=3.9.26 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-26034?
CVE-2021-26034 is an issue discovered in Joomla! 3.0.0 through 3.9.26 that causes a CSRF vulnerability in data download endpoints in com_banners and com_sysinfo.
How severe is CVE-2021-26034?
CVE-2021-26034 has a severity level of medium with a CVSS score of 6.5.
How does CVE-2021-26034 affect Joomla?
CVE-2021-26034 affects Joomla versions 3.0.0 through 3.9.26.
What is the Common Weakness Enumeration (CWE) ID for CVE-2021-26034?
The Common Weakness Enumeration (CWE) ID for CVE-2021-26034 is 352.
How can I fix CVE-2021-26034?
To fix CVE-2021-26034, it is recommended to update Joomla to a version that includes the patch for this vulnerability.
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- canonical/joomla joomla\!
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- version/joomla joomla\!/3.9.26