CVE-2021-26030: [20210401] - Core - Escape xss in logo parameter error pages
First published: Wed Apr 14 2021(Updated: )
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate escaping allowed XSS attacks using the logo parameter of the default templates on error page
Credit: security@joomla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Joomla Joomla\! | >=3.0.0<=3.9.25 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-26030.
What is the severity of CVE-2021-26030?
The severity of CVE-2021-26030 is medium with a severity value of 6.1.
What is the affected software?
The affected software is Joomla! versions 3.0.0 through 3.9.25.
How can the vulnerability be exploited?
The vulnerability can be exploited by using XSS attacks through the logo parameter of the default templates on the error page.
Is there a fix available for CVE-2021-26030?
Yes, a fix is available. Please refer to the official Joomla! security center for more information.
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- canonical/joomla joomla\!
- version/joomla joomla\!/3.0.0
- version/joomla joomla\!/3.9.25