CVE-2021-23125

[20210103] - Core - XSS in com_tags image parameters

Description

An issue was discovered in Joomla! 3.1.0 through 3.9.23. The lack of escaping of image-related parameters in multiple com_tags views cause lead to XSS attack vectors.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 7.98% Top 10%
Vendor Advisory joomla.org
Affected: Joomla! Project Joomla! CMS
Published at:
Updated at:

References

Link Tags
https://developer.joomla.org/security-centre/838-20210103-core-xss-in-com-tags-image-parameters.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-23125?
CVE-2021-23125 has been scored as a medium severity vulnerability.
How to fix CVE-2021-23125?
To fix CVE-2021-23125, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23125 being actively exploited in the wild?
It is possible that CVE-2021-23125 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23125?
CVE-2021-23125 affects Joomla! Project Joomla! CMS.
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