SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-23124

The lack of escaping in mod_breadcrumbs aria-label attribute allows XSS attacks.

MEDIUM 6.1EPSS 79.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 79.0%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
78.96% probability · 100th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
joomla/joomla\!
Source
security@joomla.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.