CVE-2021-23124

MEDIUMCVSS 6.1/10EPSS 81.17%

Last modified

CVE-2021-23124 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An issue was discovered in Joomla! 3.9.0 through 3.9.23. The lack of escaping in mod_breadcrumbs aria-label attribute allows XSS attacks.. EPSS estimates a 81.17% chance of exploitation in the next 30 days.

Description

An issue was discovered in Joomla! 3.9.0 through 3.9.23. The lack of escaping in mod_breadcrumbs aria-label attribute allows XSS attacks.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
81.17%

99.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
JoomlaJoomla\!>= 3.9.0, <= 3.9.23

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-23124?
An issue was discovered in Joomla! 3.9.0 through 3.9.23. The lack of escaping in mod_breadcrumbs aria-label attribute allows XSS attacks.
How severe is CVE-2021-23124?
CVE-2021-23124 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 81.17% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23124?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23124?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST